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Tumbling Barrel Test and Tumble Testing Standards

Tumbling barrel test, also referred to as repeated free fall test, plays a pivotal role in the quality assurance of numerous handheld and mobile devices. The process involves subjecting products to controlled drops from various heights and angles to simulate real-world usage scenarios. By meticulously testing items like smartphones, tablets, and medical devices, manufacturers can identify potential weaknesses and make necessary design improvements to enhance durability and reliability.

Tumbling barrel test not only ensures that devices can withstand accidental drops but also bolsters consumer confidence in their longevity and performance. Moreover, Products such as GPS units, remote controls, and portable tools undergo tumble testing to validate their robustness in diverse environmental conditions. This proactive approach not only meets industry standards but also underscores a commitment to delivering resilient products that exceed customer expectations for quality and longevity.

tumbling barrel test
Sample MAX Weight 5 kgf 5 kgf
Drop Distance 500mm (1set), 1000mm (1set) 500mm (1set), 1000mm (1set)
Drop Frequency 5~20 time/minute 5~40 time/minute
Drop Times 1~ 99999 times 1~ 99999 times
Roller Quantity 1*1000mm, 1*500mm, 2pcs 1*1000mm, 1*500mm, 2pcs
Power Supply AC 220V, 50Hz, 60Hz, 5A AC 220V, 50Hz, 60Hz, 5A
Tumble Tester Size W1600*D1310*H1600 mm W1600*D1150*H1650 mm
Net Weight 125 KGS 150 KGS
related page logoIEC 60068-2-32 Basic Environmental Testing Procedures|Part 2: Tests – Tests Ed: Free Fall|CEI IEC 68-2-32
related page logoIEC 60068-2-31 Environmental Testing Part 2-31: Tests- Test Ec: Rough Handling Shocks, Primarily for Equipment-type Specimens|Free Fall Repeated – Procedure 2
related page logoBS EN 60068-2-32: 1993 IEC 68-2-32: 1975 Environmental Testing Part 2.1: Tests – Tests Ed: Free Fall
related page logoInternational Electrotechnical Commission IEC 60312 5.2.11 Device for Impact Test |Figure 16 The Drum for Impact Test
related page logoDIN EN 60312 Vacuum Cleaners for Household Use -Methods of Measuring the Performance|Device for Impact Test
related page logoInternational Electrotechnical Commission IEC CEI 60312 5.2.11 Device for Impact Test |Figure 16 Drum for Impact Test

The integration of advanced handheld and mobile technologies marks a significant leap forward in the realm of consumer electronics, encompassing a diverse range of devices from smartphones to remote controls. These modern gadgets, designed for enhanced functionality and connectivity, are engineered to withstand increasingly rigorous usage scenarios. Consequently, manufacturers employ rigorous durability assessments such as repeated free fall test to gauge their resilience in real-world conditions.

The tumbling barrel test method simulates the impacts these devices might endure during accidental drops, utilizing specialized equipment like tumble testers. These machines meticulously replicate the free-fall motions that occur in everyday scenarios, ensuring that devices are tested comprehensively before reaching the hands of consumers.

Moreover, Adherence to stringent safety protocols during testing is paramount, Preventing any potential hazards posed by the products under evaluation. This meticulous approach not only validates the durability of these gadgets but also underscores their reliability in varied environments, reinforcing consumer confidence in their long-term performance.

repeated free fall tester

Tumble Tester | Tumble Tester for Tumbling Barrel Test|Tumble tester, tumble test machine for mobile phones, PDA, electronic dictionaries, CD, MP3, remote control and other small portable electronic products for continuous rotation drop test. After many drops of testing, set the number of drops by the counter to assess the ability of the product to resist dropping. Read more…


MIL-STD-202-203 Method 203 Random Drop Machine|The MIL-STD-202-203 random drop test is used to determine the effects on component parts of random, repeated impact due to handling, shipping, and other field service conditions. The test is an accelerated test designed to indicate structural and mechanical weaknesses of types not necessarily detected in shock and vibration tests. The random-drop test machine consists of an assembly of either two or four steel cages, with provisions for rotation about a common axis. Read more…


The Drop Test Machine For Laptops And Chromebooks|The field of portable electronic devices is continuously evolving, Necessitating advanced testing equipment that ensures durability and functionality. The drop test machine, A pivotal piece of equipment in product development and quality assurance, Stands out for its critical role particularly in the domain of mobile technology. Designed explicitly for portable products, Including mobile phones, smartphones, tablets, laptops, Chromebooks, PDAs, digital cameras, and electronic components. Read more…

related page logoIEC 60312-1 Vacuum Cleaners For Household Use – Part 1: Dry Vacuum Cleaners – Methods for Measuring The Performance|7.310 Device for Impact Test|Figrure 28 Drum for Impact Test
related page logoAS/NZS 60884.1 Plugs and socket-outlets for household and similar purposes – Part 1: General requirements (Tumbling Barrel Test per clause 24.2)
related page logoIEC 60884-1 Plugs and Socket-outlets for Household and Similar Purposes – Part 1: General Requirements (Tumbling Barrel Test per clause 24.2)
related page logoBS EN IEC 61558-1 Safety of Transformers, Reactors, Power Supply Units and Combinations Thereof – Part 1: General Requirements and Tests|16.4 Portable transformers provided with integral pins for introduction in socket- outlets of the fixed wiring
related page logoAS/NZS 3112 Australian/New Zealand Standard Approval and Test Specification- Plugs and Socket-Outlets
related page logoAS/NZS 3100: 2017 Tumble Barrel Test|The product is subjected singly to 1000-drop test in the apparatus as shown in the (BS 1363-5) standard Figure 17
related page logoTumbling barrel according to Figure 8|Test was performed and evaluated according to standard EN 50075, DIN VDE 0620-2-1:2013, sub-clause 24.2, DIN VDE, 0620-101: 1992 clause 7, figure 2.

Curve Display|Screen Display Setting|Reserve Setting

In the realm of environmental chambers and testing equipment, The evolution of rain tower systems has been crucial in ensuring the quality and reliability of products exposed to various weather conditions. One key aspect that contributes significantly to the effectiveness of rain tower testing is the utilization of curve display, Screen display setting, and reserve setting functionalities. These features not only enhance the precision and accuracy of test results but also streamline the testing process, Ultimately leading to improved product development and performance evaluation.

The integration of curve display, screen display setting, and reserve setting functionalities in rain tower testing equipment signifies a paradigm shift towards more efficient, accurate, and adaptive testing practices. By harnessing the power of visual data analysis, Customized user interfaces, and proactive resource allocation, Engineering teams can elevate their testing capabilities, Accelerate product development cycles, and uphold the highest standards of quality assurance.

▶ [Figure 1-1 Main Screen] Select the [Curve Display] on the upper left side and switch to [Figure 4-1 Curve Display]. Curve Display
▶ During the curve display process, click the curve, (display time , the display and setting of the state at that time).
[Figure 4-1] Temperature and humidity curve screen
[Figure 4-1] Temperature and Humidity Curve Screen
① The upper limit of the temperature curve.
② The lower limit of the temperature curve.
③ Historical data selection.
④ Current temperature display and setting temperature display.
⑤ Current humidity display and setting humidity display.
⑥ The upper limit of the humidity curve.
⑦ The lower limit of the humidity curve.
⑧ Clear history (valid for 5 seconds).
⑨ Download curve historical data to U disk(dlt format file) .
⑩ Download curve historical data to U disk(csv format file).
⑪ Time axis setting and acquisition cycle setting.
[Figure 5-1] Screen Display Setting Screen
[Figure 5-1] Screen Display Setting Screen
Screen Display
① The choice of language in Chinese and English.
② Setup box to set Power Stop Mode.
③ Screen protection time set (initial value :10 minutes).
④ Controller version number.
⑤ Click the lock screen button to enter the lock screen interface directly.
⑥ Click the lock screen password button to modify the lock screen password.
⑦ When the lock time is set to 0, The screen will not be locked.
Power Stop Mode is the function to set how to operate after power recovery from failure.
☞ STOP : Operation will stay STOP state after power recovery, and ‘OPERATION STOP’ will display.
☞ COLD : Same operation before power failure will re-start after recovery power recovery.
☞ HOT : Operation will resume from the running state right before power failure.
▶ Set screen of the current time and the appointment time. Reserve Setting
[Figure 6-1] Reserve Setting Screen
[Figure 6-1] Reserve Setting Screen
① Set the current year, month, day and time.
② Set the appointment year, month, day and time, click the [Appointment] button, and it run at a set time.

Main Screen of Control System|EN 14360 Rain Tower Test System|The booming outdoor recreation industry is fueled by a growing desire for health and well-being. However, Even with the increasing use of waterproof fabrics, A critical gap exists between material performance and real-world functionality. Stitch holes created during garment construction can compromise waterproofness, Allowing water to penetrate despite seam sealing tapes. This leakage can lead to discomfort, reduced insulation, and a disappointing outdoor experience. Read more…


Operation Settings of Control System|Rain Tower Testing Machine|While meeting the EN 14360 standard is crucial for military garment waterproofness, Wewon Environmental Chambers goes a step further. Understanding the demanding conditions soldiers face, Wewon offers rain tower systems with customizable settings. This allows for simulating various rain intensities, wind speeds, and even angled downpours, replicating real-world scenarios like torrential storms or constant drizzle. Read more…


Program Settings Guide|EN 14360 Waterproofness Test Equipment|In the realm of climate testing equipment, The advent of sophisticated control systems has revolutionized the way rain tower test systems operate. At the core of this technological advancement lies the intricate web of program settings that govern the functionality and efficiency of these systems. In this article, We delve into the critical aspects of program settings within the context of the EN 14360 rain tower test system, Shedding light on how these settings contribute to the efficacy of protective clothing against rain and the overall protection against rain. Read more…

related page logoEN 14360 Waterproofness Test Equipment|EN 14360 Rain Tower Test System|Protective Clothing Against Rain|Machine Construction|Equipment Photos 1
related page logoEN 14360 Waterproofness Test Equipment|EN 14360 Rain Tower Test System|Protective Clothing Against Rain|Machine Construction|Equipment Photos 2
related page logoEN 14360 Waterproofness Test Equipment|EN 14360 Rain Tower Test System|Protective Clothing Against Rain|Machine Construction|Equipment Photos 3
related page logoEN 14360 Waterproofness Test Equipment|EN 14360 Rain Tower Test System|Protective Clothing Against Rain|Machine Construction|Equipment Photos 4
related page logoEN 14360 Waterproofness Test Equipment|EN 14360 Rain Tower Test System|Protective Clothing Against Rain|Machine Construction|Equipment Photos 5

Curve Display|Screen Display Setting|Reserve Setting Guidance|In the realm of environmental chambers and testing equipment, The evolution of rain tower systems has been crucial in ensuring the quality and reliability of products exposed to various weather conditions. One key aspect that contributes significantly to the effectiveness of rain tower testing is the utilization of curve display, Screen display setting, and reserve setting functionalities. These features not only enhance the precision and accuracy of test results but also streamline the testing process, Ultimately leading to improved product development and performance evaluation. Read more…


Rain Tower Test System (EN 14360) Garments Waterproofness Test|The rain tower test refer to the EN 14360 European test standard. If you are looking for a rain tower test system for waterproof garments for military, Wewon Environmental Chambers Co., Ltd. is a good garments waterproofness test system manufacture for you. In the past 10 years, We have a lot of rich experience in this field. EN 14360:2004 European Test Standard Protective Clothing Against Rain – Test Method For Ready Made Garments Read more…

Program Settings of Control System|EN 14360 Rain Tower Test System

In the realm of climate testing equipment, The advent of sophisticated control systems has revolutionized the way rain tower test systems operate. At the core of this technological advancement lies the intricate web of program settings that govern the functionality and efficiency of these systems. In this article, We delve into the critical aspects of program settings within the context of the EN 14360 rain tower test system, Shedding light on how these settings contribute to the efficacy of protective clothing against rain and the overall protection against rain.

Let us navigate through the complexities of control systems and uncover the key role of program settings in ensuring the optimal performance of rain tower systems. As we unravel the intricacies of program settings within the realm of control systems for rain tower test systems, It becomes evident that these settings are not merely technical parameters but the enablers of precision, efficiency, and user-centric design.

By mastering the art of program settings optimization, stakeholders can unlock the full potential of rain tower systems, Transcending conventional limits to redefine the standards of protection against rain. As we navigate the ever-evolving landscape of rain testing technology, The synergy between advanced program settings, control systems, and user experience will continue to shape the future of rain protection, Fostering a culture of innovation, resilience, and safety in the face of nature’s elements.

▶ [1.1 Main Screen] Click the program group to set the key, then switch to the [Figure 3-1 Group Setting Screen]. PROGRAM SETTING
[Figure 3-1] Program Setting Screen
[Figure 3-1] Program Setting Screen
Indicative Content Content Description
① Program Group You can set up 100 groups of programs (1~100)
② Test Name You can set 30 words
③ Program Group Editor Switch to program edit screen
④ Cycle Setting Switch to the cycle setting screen
⑤ Wait Setting Switch to wait setting screen
⑥ TIME SIGNAL Switch to TIME SIGNAL setting group
[Figure 3-2] Program PATTERN Setting
[Figure 3-2] Program PATTERN Setting
1 Program PATTERN Setting
① The segment number.
② Setup box to input Target Set Point for each segment of temperature.
③ Setup box to input Target Set Point for each segment of humidity.
④ Setup box to input process time for each segment.
⑤ Setup box to input Time Signal number to use for each segment.
⑥ Button to display next / previous paragraph of ten segments.
⑦ Segment insert button. Press the (INSERT) button, and one segment will be inserted into the pattern.
⑧ Segment delete button. Press the (DELETE) button, and one segment will be deleted.
⑨ Button to move back to PRORAM SET screen, [Figure 3-1 PROGRAM SET screen].
▶ Click the[Program Group] key to display the input box that can set the program number.
[Figure 3-3] The Program Number Input Box Screen
[Figure 3-3] The Program Number Input Box Screen
▶ Click the [Test Name] setting key to display the test name setting input box.
[Figure 3-4] The Program Name Input Box Screen
[Figure 3-4] The Program Name Input Box Screen
▶ Click the [Temperature] button to enter the temperature setting input box of the test program.
[Figure 3-5] Program Temperature Setting Screen
[Figure 3-5] Program Temperature Setting Screen
▶ Click the [Humidity] button to enter the humidity setting input box of the test program.
[Figure 3-6] Program Humidity Setting Screen
[Figure 3-6] Program Humidity Setting Screen
▶ Click the [Time] button to enter the test setting input box of the procedure time.
[Figure 3-7] Program Time Setting Screen
[Figure 3-7] Program Time Setting Screen
▶ Click the [TS1~TS4] button to enter the test setting input box of the time signal.
[Figure 3-8] Program Time Signal Setting Screen
[Figure 3-8] Program Time Signal Setting Screen
Table 3-1. PATTERN SET Parameters
Parameter Notice Set Range Unit Initial Value Description
PATTERN NUMBER 1 ~ 100 1 Set the number of program
TEMP SP of Segment -100.00 ~200.00 0.00 Set the temperature of program
HUMI SP of Segment 0.0 ~ 100.0 % 0.0 Set the humidity of program
Process Time of Segment 0.00 ~ 100.00 HOUR. MIN 0.00 Set the time of program
TIME SIGNAL 1~ 4 of Segment 0 ~ 7 0 Set the time signal of program
▶ This screen is to set repeat operation of entire current pattern and partial segment operation after complete of current operation. 2 REPEAT Function
[Figure 3-9] REPEAT SET Screen
[Figure 3-9] REPEAT SET Screen
① Setup box to input count number for current entire pattern repeat.
② Setup box to input start segment number for partial repeat operation.
③ Setup box to input end segment number for partial repeat operation.
④ Setup box to input count number for partial repeat operation.
⑤ Setup box to input next pattern number to run continually after complete of current operation.
Table 3-2. REPEAT SET Parameters
Table 3-2 Repeat Set Parameters
Table 3-3 Example of Program Repeat Set
Table 3-3 Example of Program Repeat Set 1
PROGRAM REPEAT SET
Table 3-3 Example of Program Repeat Set 2
▶ If PATTERN 1 sets up eight segments (01→02→03→04→05→06→07→08), the following example is the order in which some segments in PATTERN 1 run when they are set repeatedly. Program Segment Cycle Set
Program Segment Cycle Set 1
Program Segment Cycle Set 2
The process of program operation to wait for group action, setting the temperature/ humidity range and waiting time picture. 3 WAIT Function
The wait action in this setting applies to [3.1 PROGRAM SETTING].
※ Description of WAIT Function
① Operating condition for WAIT Function (‘OR’ logic)
☞ When the PV of Temperature or Humidity does not enter into the specified deviation at WAIT ZONE from the Target SP within segment time, WAIT operation will be starting and pending for WAIT TIME or until it meets release condition.
② Release condition for WAIT Function (‘AND’ logic)
☞ When the PV of Temperature and Humidity reaches within the WAIT ZONE.
[Figure 3-10] WAIT SET Screen
[Figure 3-10] WAIT SET Screen
① Setup box to set whether or not using WAIT Function.
② Setup box to establish temperature WAIT ZONE to release WAIT Operation.
③ Setup box to establish humidity WAIT ZONE to release WAIT Operation.
④ WAIT TIME setup box to establish the time the program will wait for the PV of temperature and humidity to enter the WAIT ZONE before starting the next program segment.
☞ When 00.00 default value of WAIT TIME, WAIT operation will be pending infinitely until released.
Table3-4 WAIT USE Setting Parameters
Parameter Set Range Unit Initial Value
WAIT USE UNUSE,USE UNUSE
WAIT TEMP ZONE 0.00~100.00 0.00
WAIT HUMI ZONE 0.0~100.0 % 0.0
WAIT TIME 00.00~99.59  HOUR, MIN 0.00
▶ The interaction between WAIT Operation and WAIT TIME is shown as below.
① Release WAIT Operation within WAIT TIME
Release WAIT Operation within WAIT TIME
② Release WAIT Operation by elapsed WAIT TIME
Release WAIT Operation by elapsed WAIT TIME
For example: TEMP. SP=85℃, WAIT ZONE=5℃,Then wait zone is :80℃~90℃,wait time =1H;
① If PV reaches the wait zone before the end of the wait time (within 1H hours), run the next segment.
② If the PV has not reached the wait zone before the end of the wait time (until 1H has not entered the wait zone), it continues to wait until the end of the wait time (after 1H hours) or arrives at the wait zone to execute the next section. It should satisfy two conditions of wait zone and wait time simultaneously.
▶ TIME SIGNAL will be operating among 3 subset, ON / OFF / TIMER. Established TIME SIGNAL can be designated into segment setting on [3.1 Program PATTERN]. 4.1 ON / OFF Mode TIME SIGNAL Operation 4 Time Signal
[Figure 3-11] TIME SIGNAL SET Screen
[Figure 3-11] TIME SIGNAL SET Screen
① ‘TIME SIGNAL 0’ is used for ‘OFF’; not generating TS output duration of the program segment.
② ‘TIME SIGNAL 1’ is used for ‘ON’, generating TS output duration of the program segment.
③ From the corresponding program section until the end of the time set by the delay time, the time signal performs ON operation.
④ The corresponding program segment starts ON operation according to the time signal of delay time, and only performs ON operation within the time set in the working time.
Table 3-5. TIME SIGNAL setting Parameters
Table 3-5 Time Signal Setting Parameters
Please read the following tables and corresponding parameter descriptions carefully. If there is anything you do not understand, Please contact our technicians by e-mail. 4.2 Example of TIME SIGNAL Operation
Example of TIME SIGNAL Operation

Main Screen of Control System|EN 14360 Rain Tower Test System|The booming outdoor recreation industry is fueled by a growing desire for health and well-being. However, Even with the increasing use of waterproof fabrics, A critical gap exists between material performance and real-world functionality. Stitch holes created during garment construction can compromise waterproofness, Allowing water to penetrate despite seam sealing tapes. This leakage can lead to discomfort, reduced insulation, and a disappointing outdoor experience. Read more…


Operation Settings of Control System|Rain Tower Testing Machine|While meeting the EN 14360 standard is crucial for military garment waterproofness, Wewon Environmental Chambers goes a step further. Understanding the demanding conditions soldiers face, Wewon offers rain tower systems with customizable settings. This allows for simulating various rain intensities, wind speeds, and even angled downpours, replicating real-world scenarios like torrential storms or constant drizzle. Read more…


Curve Display|Screen Display Setting|Reserve Setting Guidance|In the realm of environmental chambers and testing equipment, The evolution of rain tower systems has been crucial in ensuring the quality and reliability of products exposed to various weather conditions. One key aspect that contributes significantly to the effectiveness of rain tower testing is the utilization of curve display, Screen display setting, and reserve setting functionalities. These features not only enhance the precision and accuracy of test results but also streamline the testing process, Ultimately leading to improved product development and performance evaluation. Read more…


Rain Tower Test System (EN 14360) Garments Waterproofness Test|The rain tower test refer to the EN 14360 European test standard. If you are looking for a rain tower test system for waterproof garments for military, Wewon Environmental Chambers Co., Ltd. is a good garments waterproofness test system manufacture for you. In the past 10 years, We have a lot of rich experience in this field. EN 14360:2004 European Test Standard Protective Clothing Against Rain – Test Method For Ready Made Garments Read more…

Main Screen of Control System|EN 14360 Rain Tower Test System

The booming outdoor recreation industry is fueled by a growing desire for health and well-being. However, Even with the increasing use of waterproof fabrics, A critical gap exists between material performance and real-world functionality. Stitch holes created during garment construction can compromise waterproofness, Allowing water to penetrate despite seam sealing tapes. This leakage can lead to discomfort, reduced insulation, and a disappointing outdoor experience.

This controller can work normally on general occasions. If concerned about major accidents or equipment damage, set up an emergency stop circuit and protection circuit. Regarding the Control System
Controller provide power supply within rated voltage range to prevent controller failure. Do not turn on power until installation and wiring are finished to prevent electric shock or malfunction.
Do not use the control system in environments with flammable or explosive gases as it is non-explosion-proof.
Unauthorized actions like disassembly, processing, modification, or repair are strictly prohibited to avoid abnormal behavior, electric shock, or fire hazards.
Avoid touching power terminals post-power-on to prevent electric shock or malfunction. Disconnect wiring only after turning off power to prevent electric shock or misoperation.
Use 3 wires with equal resistance value and less than 10Ω when connecting temperature measurement resistor (PT100) input to avoid display errors or abnormal actions.
When performing operations on the controller, ensure safety measures are considered to prevent equipment damage or failures.
Do not use alcohol, gasoline, or other solvents on the controller. Keep it dry, prevent water exposure, and immediately stop use if immersed in water to avoid leakage, electric shock, or fire.
Dispose of the product properly as industrial waste when scrapping. Note: Touch screen and PLC control board use RS-485 communication.
[Figure 1-1] Main Screen
[Figure 1-1] Main Screen
1 MAIN MENU Screen Main Screen Introduction
Indicative Content Content Description
①   Curve&Save Switch to curve display and curve storage, and use the SD card to store the Settings Screen.
② Monitor Screen Switch to the Run Screen.
③  Operation Setting Set screen to switch function and operation mode.
④   Program Group Setting Switch to Program Setting Main screen.
⑤   Reserve Set Switch to the current time and reservation time set.
⑥ Display Screen Setting Switch to screen protection time setting and Version screen.
▶ [1.1 Main Screen] Select the “monitor screen”, You can switch to the ” FIX Operation First Running screen”. 2.1 FIX STOP –First Stop Screen 2 FIX Operation
▶ [2. Running operation setting] choose the running mode with “FIX”.
[Figure1-2] FIX Stop -First Stop Screen
[Figure1-2] FIX Stop -First Stop Screen
▶ Click the Settings button to enter the setting screen.
[Figure1-3] Setting Screen
[Figure1-3] Setting Screen
▶ The input and operation of temperature setting are as follows.
[Figure 1-4] Temperature Setting Value Input Box
[Figure 1-4] Temperature Setting Value Input Box
▶ When you enter the temperature setting point, click the red key on the upper left side to activate the temperature setting input box [Figure 1-4 temperature setting input box].
▶ The input and operation of the humidity setting are as follows.
[Figure1-5] Humidity Setting Value Input Box
[Figure1-5] Humidity Setting Value Input Box
▶ When you enter the humidity setting value, click the blue key on the upper right side of the right side to activate the humidity setting input box [Figure 1-5 humidity setting value box].
▶ After entering the temperature setting value, select the “RUN” key on the lower right side and execute the fixed value operation.
Table 3-1. Temperature, Humidity SP Parameters
Talbe 3-1 Temperature Humidity SP Parameters
[Figure 1-6] FIX Operation –The 1st FIX RUN Screen
[Figure 1-6] FIX Operation –The 1st FIX RUN Screen
2.2 FIX Operation –The 1st FIX RUN screen
① The current running state.
② The current temperature setting value and the current temperature.
③ The current humidity setting value and the current humidity.
④ The total running time.
⑤ The real-time fault information display.
⑥ The keys to stop the run of the fixed value.
☞ Display (run) key under a fixed stop screen.
⑦ Switch to the fault query screen.
⑧ Setting screen
⑨ Switch to the “FIX Operation–The 2nd FIX RUN screen”.
⑩ Switch to the main screen.
⑪ Show the current time / date.
▶ The display screen of command value, setting value, control output value and lamp action state. 2.3 FIX Operation –The 2nd FIX RUN screen
[Figure 1-7] FIX Operation –The 2nd FIX RUN Screen
[Figure 1-7] FIX Operation –The 2nd FIX RUN Screen
① The ON state is expressed in red, and the OFF state is expressed in gray.
② The current PID number.
③ The total running time.
④ The current value of humidity output of control.
⑤ The current value of temperature output of control.
⑥ 【HUMI-AT】Humidity Auto-Tuning button.( Hidden when stopped)
⑦ 【TEMP-AT】Temperature Auto-Tuning button. (Hidden when stopped)
※The key ⑥、⑦ is inactive in the stop operation of the fixed value operation.
▶ [1.1 Main Screen] Select the “Monitor Screen”, You can switch to the ” Program Operation First running screen”. 3.1 PROGRAM STOP –The 1st Stop Screen 3 PROGRAM Operation
▶ [2. Running operation setting] choose the running mode with “Program”.
▶ Refer to the [3.1 program group mode] to set mode.
▶ [Figure 1-7 PROGRAM STOP–The 1st Stop Screen] Click on the lower right side of the run button to switch to [Figure 1-8 PROGRAM First Running Screen].
[Figure 1-8] PROGRAM STOP –The 1st Stop Screen
[Figure 1-8] PROGRAM STOP –The 1st Stop Screen
[Figure 1-9] PROGRAM Operation –The 1st RUN Screen
[Figure 1-9] PROGRAM Operation –The 1st RUN Screen
3.2 PROGRAM Operation –The 1st RUN screen
① The current running state.
② The current temperature setting value and the current temperature.
③ The current humidity setting value and the current humidity.
④ The total running time.
⑤ The real-time fault information display.
⑥ The keys to stop the run of the fixed value.
☞ Display (run) key under a fixed stop screen.
⑦ Switch to the fault query screen.
⑧ The current pattern number.
⑨ Switch to the “FIX Operation–The 2nd FIX RUN screen”.
⑩ Switch to the “Main Screen”.
⑪ Show the current time / date.
▶ The display screen of command value, setting value, control output value and lamp action state. 3.3 PROGRAM Operation –The 2nd RUN Screen
[Figure 1-10] PROGRAM Operation –The 2nd RUN Screen
[Figure 1-10] PROGRAM Operation –The 2nd RUN Screen
① The ON state is expressed in red, and the OFF state is expressed in gray.
② The currently running Number of program segments.
☞ [SEG NO.: 000/000] The preceding number indicates the segment that has been executed, and the latter number indicates the setting times.
③ The pattern repeated state.
☞ [Pattern repeat : 000/000] The numbers in front represents the number of repetitions that have been executed, and the numbers in the back indicates the number of repetitions.
④ The current PID number.
⑤ The total time of the current program.
⑥ Displays the running process time / total process time.
☞ [SEG TIME : 000.00/000.00] The front number indicates the time has processed of segment and the back number indicates total process time for current segment on [3.1 Program PATTERN setting].
⑦ Displays segment repeat status.
☞ [Segment Repeat : 000/000] The front number indicates total number for repeat process and the back number indicates completed repeat process number.
⑧ Terminates the current active segment and forces it to the next segment.
⑨ HOLD ON or HOLD OFF the current temperature, humidity, light set value.
▶ Auto-Tuning is a strong function to establish optimal PID value automatically by calculating the characteristics of the control system. 4 AUTO TUNING and TUNING POINT
▶ While generating ON/OFF control output signal for 2.5 cycles, the controller measures the PV response of the control system with a limit cycle method and calculate the optimal P.I.D value with the oscillation data.
▶ Auto-Tuning process can be carried out on FIX RUN state, and after completion of Auto-Tuning process, calculated P.I.D value with SP will be automatically stored on P.I.D parameters of corresponding zone.
▶Auto tuning procedure with a set point
Auto tuning procedure with a set point
[Figure 1-11] The Real-Time Fault Display Screen
[Figure 1-11] The Real-Time Fault Display Screen
5.1 The Real-Time Fault Display Screen 5 Fault Display Screen
① The current fault content indicates that the green light indicates failure.
② Fault reset button.
③ Fault silencing button.
④ Switch to the history of the fault screen.
⑤ Back to the “Monitor Screen”.
[Figure 1-12] The History of the Fault Screen
[Figure 1-12] The History of the Fault Screen
5.2 The History of the Fault Screen
① Historical date selection can be used to query past historical failures.
② Clear the historical faults (long press valid).
③ Switch to the real-time fault display screen.
④ Back to the “Monitor Screen”.

Operation Settings of Control System|Rain Tower Testing Machine|While meeting the EN 14360 standard is crucial for military garment waterproofness, Wewon Environmental Chambers goes a step further. Understanding the demanding conditions soldiers face, Wewon offers rain tower systems with customizable settings. This allows for simulating various rain intensities, wind speeds, and even angled downpours, replicating real-world scenarios like torrential storms or constant drizzle. Read more…


Program Settings Guide|EN 14360 Waterproofness Test Equipment|In the realm of climate testing equipment, The advent of sophisticated control systems has revolutionized the way rain tower test systems operate. At the core of this technological advancement lies the intricate web of program settings that govern the functionality and efficiency of these systems. In this article, We delve into the critical aspects of program settings within the context of the EN 14360 rain tower test system, Shedding light on how these settings contribute to the efficacy of protective clothing against rain and the overall protection against rain. Read more…


Curve Display|Screen Display Setting|Reserve Setting Guidance|In the realm of environmental chambers and testing equipment, The evolution of rain tower systems has been crucial in ensuring the quality and reliability of products exposed to various weather conditions. One key aspect that contributes significantly to the effectiveness of rain tower testing is the utilization of curve display, Screen display setting, and reserve setting functionalities. These features not only enhance the precision and accuracy of test results but also streamline the testing process, Ultimately leading to improved product development and performance evaluation. Read more…

Operation Settings of Control System|EN 14360 Rain Tower Test System

While meeting the EN 14360 standard is crucial for military garment waterproofness, Wewon Environmental Chambers goes a step further. Understanding the demanding conditions soldiers face, Wewon offers rain tower systems with customizable settings. This allows for simulating various rain intensities, wind speeds, and even angled downpours, replicating real-world scenarios like torrential storms or constant drizzle.

This comprehensive testing approach helps ensure military garments exceed basic waterproofness requirements and provide optimal protection in diverse weather situations. Additionally, Wewon’s rain tower systems can be integrated with thermal conditioning chambers, enabling testing of waterproof garments alongside their breathability and thermal performance. This holistic approach allows manufacturers to develop truly effective military gear that keeps users comfortable and dry in any environment.

▶ Press [FUNCTION&FIX] button on MAIN MENU screen to enter into this function section. Set Operation Mode Operation Settings
▶ This screen is to set parameters concerned additional function for general operation and FIX operation.
[Figure 2-1] Operation Settings Screen
[Figure 2-1] Operation Settings Screen
① Setup box to set Operation Mode.(PROGRAM / FIX Operation)
② End of experiment setting.
③ Back to Contents
Table 4-1. PROGRAM STOP Screen Parameters
Table 4-1. PROGRAM STOP Screen Parameters
▶ When changing the Target SP during FIX run operation, NSP (current SP) will be changed from current PV to Target SP gradually by assigned ramping rate. SP SLOPE Function
▶ SP SLOPE Operation
SP SLOPE Operation

Main Screen of Control System|EN 14360 Rain Tower Test System|The booming outdoor recreation industry is fueled by a growing desire for health and well-being. However, Even with the increasing use of waterproof fabrics, A critical gap exists between material performance and real-world functionality. Stitch holes created during garment construction can compromise waterproofness, Allowing water to penetrate despite seam sealing tapes. This leakage can lead to discomfort, reduced insulation, and a disappointing outdoor experience. Read more…


Operation Settings of Control System|Rain Tower Testing Machine|While meeting the EN 14360 standard is crucial for military garment waterproofness, Wewon Environmental Chambers goes a step further. Understanding the demanding conditions soldiers face, Wewon offers rain tower systems with customizable settings. This allows for simulating various rain intensities, wind speeds, and even angled downpours, replicating real-world scenarios like torrential storms or constant drizzle. Read more…


Program Settings Guide|EN 14360 Waterproofness Test Equipment|In the realm of climate testing equipment, The advent of sophisticated control systems has revolutionized the way rain tower test systems operate. At the core of this technological advancement lies the intricate web of program settings that govern the functionality and efficiency of these systems. In this article, We delve into the critical aspects of program settings within the context of the EN 14360 rain tower test system, Shedding light on how these settings contribute to the efficacy of protective clothing against rain and the overall protection against rain. Read more…

Curve Display|Screen Display Setting|Reserve Setting Guidance|In the realm of environmental chambers and testing equipment, The evolution of rain tower systems has been crucial in ensuring the quality and reliability of products exposed to various weather conditions. One key aspect that contributes significantly to the effectiveness of rain tower testing is the utilization of curve display, Screen display setting, and reserve setting functionalities. These features not only enhance the precision and accuracy of test results but also streamline the testing process, Ultimately leading to improved product development and performance evaluation. Read more…


Rain Tower Test System (EN 14360) Garments Waterproofness Test|The rain tower test refer to the EN 14360 European test standard. If you are looking for a rain tower test system for waterproof garments for military, Wewon Environmental Chambers Co., Ltd. is a good garments waterproofness test system manufacture for you. In the past 10 years, We have a lot of rich experience in this field. EN 14360:2004 European Test Standard Protective Clothing Against Rain – Test Method For Ready Made Garments Read more…


Rain Tower Test System (EN 14360) Garments Waterproofness Test

The rain tower test refer to the EN 14360 European test standard. If you are looking for a rain tower test system for waterproof garments for military, Wewon Environmental Chambers Co., Ltd. is a good garments waterproofness test system manufacture for you. In the past 10 years, We have a lot of rich experience in this field. EN 14360:2004 European Test Standard Protective Clothing Against Rain – Test Method For Ready Made Garments – Impact From Above With High Energy Droplets.

Wewon Environmental Chambers Co., Ltd. has made significant contributions in the production and design of rain tower test systems. Their expertise in manufacturing rain tower test systems with independent design thinking and mechanical structures sets them apart. The rain tower test system engineered by Wewon Tech’s technical team is specifically tailored to meet the EN14360 testing standard, ensuring full compliance with its rigorous testing criteria.

Moreover, Wewon’s commitment to quality is evident in every aspect of the rain tower test system’s construction. High-quality materials and meticulous craftsmanship ensure durability, reliability, and consistent performance over time. This reliability is crucial for research institutions, quality control departments, and product development teams relying on accurate testing results. Furthermore, Wewon offers customization options to tailor the rain tower test system to specific client requirements. This flexibility, coupled with their dedication to innovation, makes Wewon Environmental Chambers Co., Ltd. a trusted partner for businesses seeking cutting-edge testing solutions.

Rain Tower Test System (EN 14360) Garments Waterproofness Test System
The test sample is positioned on the manikin and the water supply is started. It shall be waited until the tub is filled, i.e. until the overflow pipe is active.Test Procedure
Then allow raindrops to fall down on to manikin. If not specified, the test duration shall be 1 h. Of course, The time when the raindrops fall on the mannequin can be negotiated with the customer. Some customers have stricter requirements on clothing fabrics, and the time for raindrops to fall will be relatively extended to 2 hours or longer.
After the test duration time, allow the test garment to drain for 2 min. Remove the test garment carefully avoiding drops contacting the underwear. This requirement and steps are very clearly specified and explained in the EN 14360 test standard. In order to ensure the authenticity of the test data, please respect the execution !
Examine the inner face of the test garment. Measure the surface of all wetted areas on the underwear and determine the total wetted area in cm.
A minimum of two separate specimens per type of garment shall be tested. If one specimen fails, then a third specimen shall be tested. Therefore, it is a wise choice to provide 4 or 5 independent samples to the testing center. EN 14360 specifies a minimum of 2 samples for successful testing.
If only one test garment is available, the same test garment shall be tested twice. The test garment shall be dried and conditioned as indicated above before the next test starts.
The product standard may specify a greater number of tests. A repetition rain test of the same specimen can influence the test results.
Normally the second test of the same specimen shows a greater water ingress due to the worse repellency. This is an indisputable fact. Therefore, the data of the first test and the second test are different, we must admit and accept and understand the actual situation.︱Rain Tower Test System (EN 14360) Garments Waterproofness Test
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For the purposes of this European Standard- EN 14360, Rain tower test system the following term and definition apply.Definitions
Garment: Individual component of a clothing ensemble, the wearing of which provides protection to the part of the body that it covers
A manikin with the shape and size of an adult person wearing long underwear made of absorbent fabric is dressed in the garments to be tested and exposed to artificial rain for a specific period. After the exposure the underwear and the inner side of the garment are visually inspected for wet areas.Principle
In addition, sensors on the manikin may be used in order to detect the timing of water ingress at individual sites.
This EN 14360 European standard specifies a test method for determining the rain tightness of clothing for protection against rain, using a static manikin exposed to artificial rain. It is applicable to the testing of jackets, trousers, coats and one or two piece suits.Scope
This EN 14360 test standard for rain tower test is not applicable to the testing of garments for resistance to other weather conditions, e.g. snow, hail, or strong winds.
Rain Tower Test System (EN 14360) Garments Waterproofness Test

The test report shall include the following information|Rain Tower Test System (EN 14360) Garments Waterproofness TestTest Report
a) the number of this European Standard
b) identification/description of the test garment
c) size of the garment|Garments Waterproofness Test Using Rain Tower System
d) test temperature, pre-treatment if relevant
e) for each sample tested, the location of wet areas on the inner side of the garment. The total wet area on the underwear and details of the size and location of wet areas. Wet areas should preferably be indicated by shading on diagrams of a human figure (front and back views) or by photographs of the front and back of the manikin
f) details of the timing of water ingress obtained from the humidity sensors, if available
g) date of testing|Waterproofness Tower Test
h) any deviations from the method given in this standard
i) any qualifying remarks and observation (e.g. the pocket filled with water, visible changes in water repellency)
j) any areas covered with plastic bags (hood etc.)
k)the number of samples tested.
1 Rain tower, comprising a circular tub at least 1000 mm in diameter supported at least 5000 mm above the floor, and supplied with water from an inflow pipe. Test Device
The base of the tub shall be fitted with approximately 682 nozzles with a hole diameter of 0,6 mm placed at 34 mm centres to deliver water droplets over a circular area with a diameter of 932 mm at a density of approximately 1000 droplets /rn. The tub shall have an overflow pipe placed so as to maintain a water depth of (45 ± 5) mm in the tub.
NOTE 1 The diameter of the water droplets correspond to those described in EN 29865 (app. 5 mm). The amount of water is (450 ± 50) l/(m2h). This is a little difference compare with EN 14360 rain tower test.
NOTE 2 To prevent water from the atmosphere condensing inside the garment the water temperature should be the same as the air temperature in the room in which the test is conducted within± 5 °C. 
NOTE 3 To prevent a blockage of the nozzles, water with low calcium content should be used by rain tower test system.

2 Thermometers, one in the room in which the test is to be carried out to measure the air temperature and one immersed in the tub to measure the temperature of the water.
3 Manikin, with the shape of an adult person, (1 820 ± 40) mm tall and with a chest girth of (1 000 ± 60) mm, comprising a head, torso, abdomen, buttocks, arms, hands, straight legs and feet. The arms shall be moveable to make putting on the garment easier.
NOTE: It is possible to use alternative manikin sizes (children or female) with the appropriate garment size.

4 Underwear to fit manikin, comprising a undershirt with long sleeves and underpants with long legs. For testing of jackets with a hood, the undershirt shall have a hood. The underwear shall be made of water absorbent fabric (e.g. washed cotton). When the underwear is tested in accordance with Annex B, the mean time for the drops to be wicked into the fabric shall be not greater than 2 seconds.
5 Optionally humidity sensors, connected to a recording system. The humidity sensors shall be placed either on the manikin at convex places or on the underwear. The most critical locations are: shoulders, chest, wrist, back, abdomen (zipper) and shoulder blade.
Rain Tower Test Method (EN 14360)
During the waterproofness tower test, If only a single piece is to be tested, the manikin has to be fully dressed:Dressing and Positioning the Manikin
a) Jacket testing in combination with any appropriate water tight trousers.
b) Trousers testing in combination with any appropriate water tight jacket. The manikin shall be dressed with the underwear (5.4) and the garments of a size adequate to the manikin.
Any zippers, fastening elements and pockets shall be closed. The draw-cord at the hem of the jacket, if fitted, shall be pulled tight.
If the jacket has a hood this shall be put on the manikin’s head in the normal wearing position, with any draw-cord pulled tight.
If the jacket does not have a hood, the head of the manikin shall be covered with a plastic bag in order to prevent water wicking through the collar inside the jacket.
The plastic bag shall not cover the seams in the neckline. If during testing it is found that there is water ingress around the face or through the hood, additional tests shall be carried out with the head and hood covered by plastic bag.
If the lower ends of the trouser legs are adjustable they shall be adjusted to the tightest position.
The hem area of sleeves and body of the undershirt and the legs of the underpants shall be adjusted to finish about 45 mm above the ends of the jacket and trouser legs, respectively, to prevent water wicking into the underwear at the wrists or ankles.
Manikin shall be adjusted so that it is leaning backwards at an angle of (5 ± 2)° to the vertical.
Garments Waterproofness Test|This is because the critical area of a jacket with regard to water ingress is normally the zipper fastener.
One arm shall be angled backwards and the other arm shall be angled forwards, rain tower test at an angle of (25 ± 5 degree) to true vertical.

Plant Growth Chamber Technical Parameters | Environmental Growth Chamber

The plant growth chamber is composed of the box body, temperature control system, heating and cooling system, humidity system, lighting system, circulation duct and other parts. The cabinet of plant growth chamber is made of mirror stainless steel with circular arc structure, easy to clean. The artificial climate box can control not only temperature, but also light and humidity. Users can choose suitable products to use according to their actual needs.

The outer shell of the environmental growth chamber is sprayed with stainless steel, and the height of the screen plate in the studio can be adjusted arbitrarily. The test room adopts polyurethane foam board with good insulation performance, which greatly improves the insulation performance of the test room. The temperature control system mainly consists of temperature controller and temperature sensor.

Temperature controller with overtemperature protection, power off protection, simple programming, timing and other functions. The heating and cooling system of plant growth chamber consists of heating tube, evaporator, condenser and compressor. The circulating air duct is designed reasonably to ensure the temperature uniformity in the test room. The lighting system adopts three sides to emit light, which ensures the uniformity of illumination in the box body, and the illumination level is adjustable, which greatly facilitates the use of users.

Plant Growth Chamber
Equipment ModelWEW-TH-350GPWEW-TH-800GPWEW-TH-250GP
WEW-TH-450GPWEW-TH-1000GPWEW-TH-1500GP
Testing Volume300 Litres800 Litres250 Litres
450 Litres1000 Litres1500 Litres
Temperature ControlLight ON:+10℃ ~ +50℃|Light OFF: +4℃ ~ +50℃
Temperature Resolution0.1℃
Temperature Fluctuation±1℃
Control Range of Wet50~90%RH
Humidity Deviation±5~7%RH
Light Intensity0~20000LX0~30000LX0 ~12000LX
0~25000LX0~35000LX0~40000LX
Light WayThree sides of the illuminationDiaphragm lighting (two layers)Diaphragm lighting (two layers)
Programmable FunctionTemperature, humidity and luminance can be set separately, and 30 stages can be set within a time range of 1 ~ 99 hours
Input Power 2200W4100W860W
2750W4100W6400W
Power SupplyAC220V 50HZAC380V 50HZAC380V 50HZ
Ambient TemperatureRT+5~30℃
Continuous Running TimeIt can operate continuously for a long time (two sets of imported original fully enclosed compressors automatically switch in turn)
Test Room(mm)W×D×H 520×550×1140965×580×1430580 × 510 × 835
700×550×1140900×580×16001410×800×1500
Overall Dimensions(mm)W×D×H830×850×18501475×890×1780725 × 740 × 1550
950×850×18501410×890×19501570×1475×2050
Loading Bracket (Standard)Plant Growth Chamber Equip with 3 Pieces
The program controls the temperature, humidity, illumination, time and rate of temperature rise, and can be controlled by multiple steps of program, which simplifies the complex test process and truly realizes the automatic control and operation.
When the plant growth chamber door is opened, the breeze circulation and heating will stop automatically, without the risk of temperature overstrike.
The speed of the Plant LED incubator circulating fan is automatically controlled to avoid the sample volatilization caused by too fast wind speed.
Plant growth incubator equip with temperature deviation alarm, compressor overheat, overload, overpressure protection and water shortage protection. Independent temp limit alarm system, can sound and light alarm prompt the operator.
Programmable Control
The two sets of imported compressors automatically switch between each other to ensure that the plant cultivation can run for a long time without failure and break through the defect that the existing light incubator cannot run for a long time.
Set stability and light test in one, shorten the test time, small floor area. Self-diagnostic function. When the illumination incubator fails, the liquid crystal display displays the failure information, the operation failure is clear at a glance.
No need of defrosting during continuous operation, avoid the fluctuation of temperature and humidity in the cabinet due to defrosting.
Plant growth chamber with independent temperature limit alarm system, and sound and light alarm prompt the operator to ensure safe operation without accidents.
Plant growth cabinet set stability test and light test in one, shorten the test time, small floor area, avoid changing equipment in the test. High or low temperature alarm.
Continuous Operation
Plant Growth Chamber Internal Structure
Human touch button, menu operation, intuitive, multiple parameters can be displayed on the same screen|Plant Growth Chamber Technical Parameters 
Adopt mirror stainless steel liner, four-corner semi-arc transition, no need for tools to remove the inner partition or partition, easy to sterilize and clean the studio.
LCD touch screen controller, all functions on the screen in the form of graphics and text, can be curve to observe the running state of the machine.
The temperature, humidity and illumination test of each studio are independently controlled, which can shorten the test time and improve the efficiency of research and development of new plant and drugs stability test.
Humanization Design
Plant growth chamber can simulate the temperature variation of nature in day and night, as well as multi-directional light source.
The technical parameters set by the user can be stored automatically in case of power failure and the original setting program can be run after power failure.
The size of circulating wind speed is automatically controlled, which can avoid blowing into the plant seedlings due to the excessive circulating wind speed during the test.
Adopt imported humidity sensor to avoid the trouble caused by frequent change of wet belt of traditional dry and wet ball sensor.
Intelligent Control
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Optional Spare Parts for Wewon’s Plant Growth Chamber | Choose Accessories Parts (Options) for Your Environmental Growth Chamber:

● CO2N Concentration Monitoring and Control (Optional)

For plant culture, infrared sensor is an ideal choice, because the recovery of CO2 concentration of infrared sensor is not affected by temperature and humidity, which is accurate and reliable for CO2.

● Environmental Growth Chamber Data Control System (Optional)

Optional printer system for data recording, in line with GMP standards|Data recording, data communication, graphic dynamic display, fault analysis.

● Diaphragm Lighting System Optional|2 Layers 64 Liters Temperature Humidity Test Chamber’s Design & Structure Photo 1 Photo 2

In order to meet the users’ higher requirements of light intensity uniformity and light space flexibility, the diaphragm lighting system developed by Wewon Environmental Chambers Co., Ltd. can be adjusted by users to meet the needs of plant growth, and can be configured with multi-layer lighting system.

While ensuring the evenness of illumination intensity, the number of cultivated plants is greatly improved. Moreover, the lighting system of each layer allows users to select different lamps to meet the requirements of different illumination.

● Automatic Detection and Control of Illumination (Optional)

Light sensor is adopted for monitoring and control to reduce the luminance attenuation and error caused by the aging of the lamp. Break through the existing domestic plant illumination monitoring and control defects.

IEC 62930 Weathering UV Resistance Test

In the dynamic world of electrical engineering, Ensuring the durability and reliability of products is paramount. One crucial aspect is testing for weathering and UV resistance, Particularly in electric cables designed for photovoltaic systems operating at 1.5 kV DC. In this article, We delve into the significance of the IEC 62930 standard, its Annex E, and the pivotal role it plays in evaluating the resilience of these cables under harsh environmental conditions.

IEC 62930:2017, Established by the International Electrotechnical Commission (IEC), stands as a cornerstone for assessing the longevity and performance of electric cables used in photovoltaic systems. This standard sets forth rigorous guidelines for conducting weathering and UV resistance tests, Ensuring that cables can withstand prolonged exposure to sunlight and environmental stressors without compromising functionality.

This test is to determine the UV stability of the sheathina material of the cable in the condition as manufactured.
This is done by means of measuring tensile strength and elongation at break in the condition as manufactured and after exposure to ultraviolet light and water.
IEC 62930 Weathering UV Resistance Test Method
The testing apparatus is equipped with the following:
– a ray source consisting of a xenon arc lamp with borosilicate filters so that the typical irradiance should be 60 W/m2+ 15 % with a spectrum between 300 nm and 400 nm;
– a means to provide automatic control of temperature, humidity and cycles;
– a generator of deionized water with a conductivity not greater than 5 uS/cm; the rate of flow should be sufficient to guarantee that all the test specimens can be washed.
– a means to control the irradiance
A sample of the finished cable shall be selected to prepare 10 test pieces in accordance with IEC 60811-501.
Five test pieces shall be exposed to the treatment for 720 h in 360 cycles of 120 min defined as follows:
a) 102 min of dry radiation exposure at a temperature of (60 ± 3) ‘C and relative humidity of (50+10)%, followed by
b) 18 min of rain exposure, without radiation, at a temperature of (50 ± 3) C without control of the relative humidity.
Note: Additional information on weathering/UV resistance testing can be found in 1S0 4892-1 and lS0 4892-2.
After the exposure, The test specimens shall be removed from the equipment and conditioned at ambient temperature for at least 16 h.
The five exposed test pieces and the five not exposed test pieces shall be tested separately and in close succession for tensile strength and elongation at break. 
The respective median values shall be calculated from the five tensile-strenath and elonaation at break values obtained for the conditioned test pieces and shall be divided by the median values of the five tensile-strength and elongation at break values obtained for the unconditioned test pieces.
The tensile-strength and elongation at break after 720 h (360 cycles) of exposure shall be at least 70 % of the values measured on not exposed test pieces.

The IEC 62930 weathering UV resistance test serves as a linchpin in the evaluation and assurance of cable durability in photovoltaic systems. By adhering to this standard and conducting rigorous testing, Manufacturers can uphold the highest standards of quality and reliability, Ultimately driving the adoption of renewable energy solutions worldwide. As the renewable energy landscape continues to evolve, Adherence to international standards like IEC 62930 will be instrumental in shaping a sustainable future powered by clean energy.

Electric cables form the backbone of photovoltaic (PV) systems, Facilitating the seamless transmission of electricity generated by solar panels. Given the outdoor installation of these systems, Cables are inevitably exposed to harsh sunlight, temperature fluctuations, and moisture. Consequently, Ensuring their resilience to weathering and UV radiation is indispensable for the long-term performance and safety of PV installations.

Annex E of IEC 62930 delineates the specific procedures and parameters for executing the weathering UV resistance test. This test simulates real-world conditions by subjecting cable samples to ultraviolet radiation, temperature variations, and moisture exposure over extended durations. By replicating these environmental factors, Engineers can accurately gauge the cable’s ability to resist degradation and maintain operational integrity over time.

IEC 62930 Weathering UV Resistance Test
Environmental Conditions Temperature Range: -10C~+28℃、Humidity: ≤85% Performance Characteristics:
Xenon Lamp Power Long arc xenon lamp, 2.5KW, 1 PC, GB/T16422.2
Xenon Lamp Wavelength 250-800nm, the maximum reproduction of the sun’s aging mechanism can be set to be tested samples for 24 hours exposed to the equivalent of summer noon when the lighting environment,
Compared with the actual outdoor environment, the average light intensity is stronger, the average daily exposure time is longer, so that the test results can be quickly obtained.
Irradiation Intensity 35- 70 W/M2 (at 300- 400nm) Adjustable
350- 580 W/M2 (at 300- 800nm) Adjustable
0.30- 0.57 W/M2 at 340nm |0.60- 1.22 W/M2 at 420nm
Irradiation Intensity Adjustment Microcomputer + PID digital power + Xenon lamp stepless adjustment
Irradiation Intensity Measurement Without SOLAR EYETM, set manually
With SOLAR EYETM, automatic measurement adjustment
Filters 1. S1 high purity quartz glass, so that the irradiance of the sample on the spectrum of the peak value and the value of the ground near the sun
2. Modular design, according to the test space to optimize the combination
3. Depending on the environment, you can choose to simulate direct sunlight or window glass to transmit sunlight
4. Unless the filter is damaged, generally do not need to replace the filter
Blackboard Temperature Range RT+10℃~100℃ (Adjustable)
Temperature Fluctuation ±0.5℃
Temperature Uniformity ≤±2℃
Humidity Range 45%R.H~75%R.H (Adjustable)
Humidity Deviation +2%R.H-3%R.H
Arc Center to Tray Distance 200mm ~ 500mm (Adjustable)
Dark period, Irradiation Cycle 0~9999min (Adjustable)
Rainfall Cycle 0~9999min (Adjustable)

The weathering UV resistance test outlined in IEC 62930 evaluates multiple facets of cable performance, including durability under prolonged exposure to ultraviolet radiation. This comprehensive evaluation encompasses the cable’s ability to withstand not only direct sunlight but also the harsh environmental conditions present in outdoor settings. Beyond mere surface degradation, Such as embrittlement and discoloration, This test scrutinizes the cable’s long-term structural integrity and performance reliability.

By subjecting cable samples to rigorous UV radiation levels, The test simulates real-world conditions, Ensuring that the cables can maintain optimal functionality over extended periods. Furthermore, It assesses the cable’s resistance to UV-induced degradation, Safeguarding against potential failures and ensuring consistent performance in outdoor applications. This meticulous evaluation process underscores the cable’s resilience and suitability for outdoor installations, Offering reassurance to stakeholders across various industries.

UV Exposure Cable samples are subjected to UV radiation levels equivalent to those experienced in real-world outdoor environments. This exposure assesses the cable’s ability to withstand UV degradation, such as embrittlement, cracking, or discoloration.
Temperature Cycling Fluctuations in temperature, from extreme cold to intense heat, mimic the diurnal variations encountered outdoors. Thermal cycling tests verify the cable’s resistance to expansion, contraction, and thermal stress, thereby preventing potential failures due to temperature-induced degradation.
Moisture Resistance Moisture ingress poses a significant threat to cable insulation and conductive elements. The test evaluates the cable’s ability to repel moisture and maintain insulating properties, safeguarding against short circuits, corrosion, and insulation breakdown.
UVC 254nm Ultraviolet Light Test Equipment Comply with ISO 4892-1 and EN 60335-1|The UVC 254nm ultraviolet light test equipment simulates the damage caused by the sun’s ultraviolet light and tests the weather resistance of the material under test by exposing it to light at controlled high temperatures. It uses ultraviolet lamps to simulate the effects of sunlight over a period of days or weeks. UVC 254nm irradiation equipment can cause damage that would take months or even years to occur outdoors, These include fading, color change, tarnishing, powdering, cracking, wrinkling, foaming, embrittlement, reduction of oxidation and so on. Read more…
ISO 4892-1 Plastics Methods of Exposure To Laboratory Light Sources Part 1: General Guidance|ISO 4892-2 Plastics Methods of Exposure To Laboratory Light Sources Part 2: Xenon-Arc Lamps|Long-term outdoor sunlight exposure, high temperature and humidity are the main causes of coating cracking, loss of gloss, fading, yellowing and chalking. The weather resistance of the coating is related to the spectral sensitivity of the coating components. For outdoor paints, UV rays are the main cause of paint aging. The UV accelerated aging test can simulate the damage of the UV part of sunlight to the coating, and reproduce the damage that occurs outdoors for months or even years in days or weeks. Read more…

Ozone Resistance Testing for Electric and Optical Fiber Cables: Understanding IEC 60811-403

Ozone resistance testing plays a crucial role in ensuring the durability and longevity of electric and optical fiber cables in various applications. By subjecting rubber or elastomer compounds to controlled ozone exposure, manufacturers can evaluate the materials’ ability to withstand ozone degradation over time. The standardized test method outlined in IEC 60811-403 specifies the essential components for conducting accurate evaluations, including an ozone test chamber capable of precise ozone generation, a mechanism for circulating ozonized air under controlled humidity and temperature conditions, and a method for determining ozone concentration levels.

In the realm of electric and optical fiber cables, particularly those composed of cross-linked compounds, ozone resistance testing is a vital quality assurance step that is typically conducted at least 16 hours post-extrusion or cross-linking of insulating or sheathing compounds. Prior to ozone exposure, test samples must undergo conditioning to establish a consistent baseline. Through these rigorous testing procedures, cable manufacturers can ensure the durability and performance of their products, instilling confidence in consumers and industry professionals alike.

When assessing insulated cores, a crucial step involves flexing the samples around a solid mandrel crafted from brass, aluminum, or specially treated wood, with the mandrel’s diameter carefully selected based on specific requirements outlined in industry standards. This meticulous testing procedure not only guarantees the reliability of cables under ozone-rich environments but also ensures compliance with stringent performance criteria set forth by regulatory bodies. By adhering to these rigorous testing protocols, manufacturers can deliver high-quality cables that excel in ozone resistance, thus enhancing the overall reliability and performance of electrical and communication networks.

Ozone Resistance Testing for Electric and Optical Fiber Cables: Understanding IEC 60811-403
Equipment Model: TH-OZ-150 Inner Chamber Size: 500*600*500
Power Consumption: 5.5 KW Temperature Range: 0-100℃
Relative Humidity Range: 30%RH~98%RH Temperature Fluctuation: ±0.5℃
Cooling Rate: 20 min from room temp to 0℃ Time Setting: 0~999 hours
Ozone Concentration 1: 25~30 ppm Ozone Concentration 2: 250~300 ppm
Sample Rack Rotation Speed: 30r/min Air Speed: 280L/h-560L/h
Elongation Rate: 5%~35% Controller: Programmable Color Touch 
Test Standard: IEC-60811-403 Power Supply: 220VAC-60Hz
Testing Purpose: Ozone test chamber for elastic material testing.
Material of Testing Chamber: Stainless Steel 304, 1.2mm Thickness|Ozone Resistance Testing Equipment
Equipment Configurations: Dynamic product rack and static product rack composed of metal rods.
Controller Device: Programmable color touch controller, editable test programs, equipped with R-232 interface for computer connection.
Cooling System: Utilizes compressor from French Tecumseh, environmentally friendly refrigerant.
Humidification System: External isolation, stainless steel surface evaporative humidifier.
Ozone Generator: Ozone generator inside the chamber provides ozone gas.
Temperature Sensors: Temperature sensor: PT-100 Class A, resolution ±0.001℃; Humidity sensor: Dry-wet bulb, resolution ±1%RH; Ozone sensor.
Safety Protection: Humidifier combustion protection, over-temperature protection, over-current protection, high-pressure switch for refrigerant, leakage protection, etc.
Packaging Description: Standard wooden export packaging suitable for sea, air, and railway transportation.

The IEC 60811-403 ozone test chamber must be carefully installed in an environment that meets specific conditions to ensure its optimal performance and longevity. When setting up the ozone test chamber, it is essential to consider the following factors: By adhering to these installation guidelines, you can create an optimal testing environment for the IEC 60811-403 ozone test chamber, ensuring accurate and reliable test results for your applications. Prioritize these environmental conditions to maintain the performance and longevity of the ozone test chamber while enhancing the safety and efficiency of your testing processes.

1. Temperature Regulation: Maintain a consistent temperature range between 5°C to 35°C within the testing area. Fluctuations in temperature can impact the accuracy and reliability of the test results. Obviously, The ozone test chamber also works for +45°C to +85°C.
2. Relative Humidity Control: Keep the relative humidity level for this ozone test chamber below or equal to 85% to prevent moisture-related issues that could affect the chamber’s operation and the integrity of the tests. This contributes to the long service life of the equipment.
3. Ventilation: Adequate ventilation is crucial to prevent the accumulation of ozone and maintain a safe working environment. Proper ventilation can also help in regulating the temperature and humidity levels inside the chamber. Based on past testing experience, The higher the temperature in the test area, the higher the ozone concentration ratio, to a certain extent.
4. Pressure Range Compliance: Ensure that the pressure within the chamber remains within the range of 86Kpa to 106Kpa to maintain the desired testing conditions and avoid any deviations that could impact the test outcomes. In case your have a different pressure conditions, Please have a check with our technician.
5. Safety Precautions: Avoid installing the ozone test chamber near any flammable materials to reduce the risk of fire hazards. Additionally, minimize exposure to strong vibrations, direct sunlight, heat sources, intense airflow, and powerful electric fields to protect the chamber’s components and ensure consistent testing conditions.

In the realm of electric and optical fiber cables testing procedures, meticulous care and precision are crucial for ensuring the quality and reliability of cable sheathing materials. Following the conditioning process, wherein the test pieces are subjected to a specific environment to stabilize their properties, they are then ushered into the controlled confines of the ozone test chamber. Here, under the watchful gaze of the test cock, the test pieces are strategically positioned with a requisite distance between them to facilitate thorough examination.

Maintaining a constant temperature and circulating dry air infused with the precise ozone concentration as stipulated by industry standards, the test pieces undergo scrutiny to assess their resilience and integrity in the face of challenging conditions. Upon completion of the designated testing period, the test pieces are carefully extracted from the chamber and meticulously inspected for any signs of structural compromise. The presence of cracks or deviations from the established criteria would indicate a failure to meet the stringent quality benchmarks set forth in the cable standard.


200 ~ 300 ppm Ozone Aging Test Chamber for Wire and Cable Test|Ozone aging test chamber can be utilized for elastic items, for example, vulcanized elastic, thermoplastic elastic, link protection sheath and different items. The ozone test chamber’s test room will be configured with a dynamic pull fixture. The wire or rubber product is placed on the dynamic fixture during the dynamic lift and the fixture rotation period. Through the ozone generator to occur 200 to 300 ppm of high concentration of ozone environment, Testing 24 hours or longer time, then to observe the aging of the samples tested. Read more…


Ozone Testing Chamber for Rubber and Optical Fibre Cable Testing|What is the ozone test chamber price ? Request the ozone chamber for sale ? What is ozone test ? If you are a fresh engineer for ozone exposure test work, There has several ozone test method and ozone resistance test standard for your reference. Ozone test chamber is a major factor in rubber cracking although it is rare in the atmosphere, ozone aging tank simulates and enhance the condition of ozone in the atmosphere to study the effects of ozone on rubber, and then identify and evaluate the method to resist ozone and aging for rubber, adopt effective anti-aging measures to enhance the life of rubber products. Read more…


Mastering Cable Testing with EN 50397-1: Methods, Machines|Annex D – Resistance to UV Rays

BS EN 50397-1:2020, also known simply as EN 50397-1, is a comprehensive standard that encompasses various aspects of cable testing. It covers non-electrical tests on samples of complete cables, including resistance to UV rays, an essential factor in determining a cable’s durability, especially for outdoor applications. The standard is particularly focused on covered conductors for overhead lines, providing guidelines for testing their mechanical and electrical properties to ensure they meet the required performance standards.

In the realm of electrical engineering, Ensuring the quality and reliability of cables is paramount. Whether it’s for industrial applications, infrastructure projects, or residential wiring, Cables play a crucial role in the transmission of power and data. To guarantee their performance and longevity, Rigorous testing standards must be adhered to. One such standard that stands out is EN 50397-1, Which outlines the testing methods and requirements for covered conductors used in overhead lines and related accessories for rated voltages above 1 kV AC and not exceeding 36 kV AC.

Mastering cable testing with EN 50397-1 requires a comprehensive understanding of the standard’s requirements, Careful selection of test methods and machines, and adherence to best practices in wire, cable, and electrical component testing. By following these guidelines, Engineers can ensure the quality, reliability, and safety of electrical installations, Ultimately contributing to the success of projects and the satisfaction of stakeholders.

(b)Test Method for EN 50397-1   The samples shall follow a cycle of 5 days. During these days they shall be subjected to the following tests: Test Methods and Test Machine’s Choice:
     
Day 1 Exposure for one day to light radiation in a humid atmosphere, (relative humidity ≥ 85 %), at the temperature of (25 ± 2)°C with sprinkling; Test Machine 1: Xenon Test Chamber
Machine’s Model: WEW-080-XD|WEW-175-XD
Machine’s Source: https://www.wewontech.com/weatherometer/
Temperature Control Object: Air
Radiation Intensity:550W/M2 at 300~800nm

Program Test:
Step 1: From Room Temp change to +25℃, 85%RH in 20 minutes
Step 2:  +25℃, 85%RH with Water Spray for 3 minutes Continuous
Step 3: From Room Temp change to +25℃, 85%RH in 20 minutes
Step 2:  +25℃, 85%RH with Water Spray for 3 minutes Continuous

Total is 60 Cycles = 24 hours
The sprinkling of demineralized water lasts 3 min per period of 20 min: it is done with the aid of injectors in which the water discharge should be sufficient to ensure the washing of all the test specimens.
     
Day 2 Exposure for one day in a humid atmosphere at the temperature of (50 + 2)°C with thermal shocks obtained by being put into an enclosure kept at (-25 + 2) °C for three one-hour periods.  Test Machine 2: Environmental Chamber
Machine’s Model: TH-080|TH-150
Machine’s Source: https://www.wewontech.com/temperature-humidity-chamber/

Program Test:
Step 1: From Room Temp to +50℃, 75% in 30 minutes
Step 2: +50℃, 75% for 5 hours Continuous
Step 3: From Test Room Temp to -25℃ in 90 minutes
Step 4: -25℃ for 60 minutes

Step 5: From -25℃ to +50℃, 75% in 30 minutes in 30 minutes
Step 6: +50℃, 75% for 5 hours Continuous
Step 7: From Test Room Temp to -25℃ in 90 minutes
Step 8: -25℃ for 60 minutes

Step 9: From -25℃ to +50℃, 75% in 30 minutes in 30 minutes
Step 10: +50℃, 75% for 5 hours Continuous
Step 11: From Test Room Temp to -25℃ in 90 minutes
Step 12: -25℃ for 60 minutes

Total 12 steps = 3 Cycles = 8 Hours*3 = 24 Hours
Test Machine 2-1: Shock Test Chamber (Wewon’s Custom Design)–Optional
Features:
Shock Test Chamber with Humidity → Wewon’s Custom Design ! → Tips: Shock test with Humidity, There no supplier in the market. But Wewon Tech can do it !

Machine’s Model: TST-080
Mode of Movement: Horizontal Way
Purpose and Reson: The hot-cold or cold-hot transfers should be done in the shortest time possible !
Functions: The hot-cold or cold-hot transfers in
3~5 minutes.
Machine’s Source: https://www.wewontech.com/shipment-009/

Program Test:
Step 1: From Room Temp to +50℃, 75% in 30 minutes
Step 2: +50℃, 75% for 5 hours Continuous
Step 3: From Test Room Temp to -25℃ in
3~5 minutes
Step 4: -25℃ for 60 minutes

Step 5: From -25℃ to +50℃, 75% in 30 minutes in 30 minutes
Step 6: +50℃, 75% for 5 hours Continuous
Step 7: From Test Room Temp to -25℃ in
3~5 minutes
Step 8: -25℃ for 60 minutes

Step 9: From -25℃ to +50℃, 75% in 30 minutes in 30 minutes
Step 10: +50℃, 75% for 5 hours Continuous
Step 11: From Test Room Temp to -25℃ in
3~5 minutes
Step 12: -25℃ for 60 minutes

Total 12 steps = 3 Cycles = 8 Hours*3 = 24 Hours
The hot-cold or cold-hot transfers should be done in the shortest time possible.
The time the test specimens remain in a humid atmosphere between two thermal shocks should be one hour or more.
     
Day 3, 4 Two days exposure to light radiation in a dry atmosphere during which the temperature is kept at (70±2)°C and the relative humidity is less than 30 %; Test Machine 1: Xenon Test Chamber
Machine’s Model: WEW-080-XD|WEW-175-XD
Machine’s Source: https://www.wewontech.com/weatherometer/
Temperature Control Object: Air
Radiation Intensity:550W/M2 at 300~800nm

Program Test:
Step 1: From Room Temp change to +70℃, 30%RH in 60 minutes or sooner
Step 2:  +70℃, 30%RH without Water Spray for 47 hours

Total is 48 hours = 2 days
     
Day 5 The fifth day, Exposure for 8 h with 0,067 % in volume of sulphur dioxide and kept at a temperature of (40 + 3) ‘C with saturating humidity. For the last 16 h the door of the enclosure is left open to the laboratory environment. Test Machine 3: SO2 Corrosion Chamber | Sulfur Dioxide Corrosion Test Chamber
Machine’s Model: WEW-SO-90D|WEW-SO-120D
Machine’s Source: https://www.wewontech.com/so2-corrosion-chamber/

Step1: 8 h with 0,067 % in volume of sulphur dioxide and kept at a temperature of (40 + 3) ‘C with saturating humidity.
Step 2: For the last 16 h the door of the enclosure is left open to the laboratory environment.

Total is 24 hours = 1 day = 8 Hours + 16 Hours
During the exposures the test-pieces, Similar to those defined for the tensile test, shall be placed on supports, taking care that they are not subjected to any tensile force.
     
Test Finish and Visual Verification At the end of the test, The samples shall be removed and kept protected from direct sunlight in the laboratory atmosphere for 24 h at least. A visual verification shall then be carried out to ensure that there is no significant discolouration between the aged test pieces and those not subjected to the test.

When it comes to conducting tests according to EN 50397-1, Selecting the appropriate test methods and machines is crucial. Annex D of the standard outlines specific test methods for various properties of covered conductors, Such as insulation resistance, Bending performance, and resistance to environmental factors like UV radiation. These methods serve as a comprehensive guide for engineers and technicians tasked with conducting cable tests.

In addition to choosing the right test methods, Selecting the appropriate test machine is equally important. Test machines designed for EN 50397-1 compliance are equipped with features tailored to meet the standard’s requirements. These machines are capable of subjecting cables to various mechanical and environmental stresses, Allowing for accurate and reliable testing of their performance under different conditions.

EN 50397-1|Annex D|Non-Electrical Test on Samples of Complete Cable -Resistance to UV rays|D.1 Resistance to UV Rays a) Test Principle and Definition of the Light Source
This test is based on the prolonged exposure of the flat surface of the outer side of the cable test specimens to ultraviolet rays.
The light source used should be such that in a dry atmosphere (relative humidity below 30 %) the exposed surface of the two flat surfaces of the test specimen, the side corresponding to the outside of the test specimen cable, receives a radiation in which the wavelength-dependent energy distribution complies with the values indicated on the curve (Figure D.1).
EN 50397-1 Annex D - Resistance to UV Rays
To take account of the dispersion of the lamps and their ageing, the following tolerances are accepted:
(i)20 % in the area of ultraviolet radiation (wavelengths below 400 nm)
(ii)50 % for the visible radiation (wavelengths above 400 nm)
This radiation may be obtained with a xenon lamp fitted with quartz filters
The test requires two batches of six test-pieces; one of them being the reference batch. (c)Test Pieces
The reference batch shall be kept at ambient temperature avoiding direct sunlight throughout the environmental testing.
The other batch shall be subjected to the specified 5 days cycle and then conditioned like the reference batch for 24 h.

Cable testing plays a crucial role in ensuring the safety, Reliability, and longevity of electrical installations. By subjecting cables to rigorous testing procedures, Engineers can identify potential weaknesses or defects that could compromise their performance in real-world scenarios. Moreover, Testing helps verify compliance with industry standards and regulatory requirements, giving stakeholders confidence in the quality of the cables being used.

EN 50397-1 is just one example of the numerous standards governing the testing of wires, cables, and electrical components. These standards cover a wide range of parameters, including mechanical strength, electrical conductivity, Insulation resistance, and resistance to environmental factors. By adhering to these standards, Manufacturers can ensure that their products meet the necessary quality and safety criteria, ultimately enhancing customer satisfaction and reducing the risk of failures or accidents.

In addition to following standardized test methods, Selecting the right testing equipment is essential for accurate and reliable results. Test machines designed specifically for wire, cable, and electrical component testing are equipped with features such as precision instrumentation, Automated testing procedures, and advanced data analysis capabilities. These machines enable engineers to conduct tests efficiently and effectively, Minimizing the risk of errors or inconsistencies.

Drop Test Machine For Laptops And Chromebooks

In the ever-evolving landscape of technology, The durability and resilience of portable devices like laptops and Chromebooks have become paramount for consumers and manufacturers alike. Wewon Environmental Chambers Co., Ltd., a pioneer in the field of testing equipment, Stands at the forefront of providing innovative solutions with its high-quality drop test machines. These machines not only ensure the robustness of electronic gadgets but also pave the way for advancements in product reliability and customer satisfaction.

The field of portable electronic devices is continuously evolving, Necessitating advanced testing equipment that ensures durability and functionality. The drop test machine, A pivotal piece of equipment in product development and quality assurance, Stands out for its critical role particularly in the domain of mobile technology. Designed explicitly for portable products, Including mobile phones, smartphones, tablets, laptops, Chromebooks, PDAs, digital cameras, and electronic components, This machine helps manufacturers verify the impact resistance of their products to everyday mishaps|Photo of Drop Test Machine

In this context, Several variations of the drop test technologies come into play. The Chromebook drop test, for example, Simulates the potential impacts faced by these devices during daily use or accidental falls, Which are quite common in classroom and office settings where such devices are predominantly utilized. Similarly, Further sophistication is evident in drops involving intricate machinery like the drop weight impact testing machine and the Instron drop tower. These devices provide high-precision measurements that are essential for designing devices that not only meet but exceed industry durability standards.

drop test machine
Equipment Model:  WEW-TTT-0721-1 WEW-TTT-0820-2
Maximum Weight Of Specimen: 2kg ~ 3kg ±100g 5kg ~ 6kg ±100g
Drop Height:  300 ~ 1500mm 300 ~ 1800mm
Drop Height Scale: Accuracy 1mm Accuracy 1mm
Clamping Method: Pneumatic Clamp Pneumatic Clamp
Multi-Angle Drop Device: 0°, 45°, 90° 0°, 45°, 90°
Drop Floor Medium: Marble Board (acrylic board, stainless steel board) Marble Board (acrylic board, stainless steel board)
Drop Method: Free Fall Free Fall
Drop Error:  ± 10mm ± 10mm
Drop Control Method: Pneumatic Pneumatic
Height Control Method:  Electric System Electric System
Safety Protection: There Are Protective Baffles All Around There Are Protective Baffles All Around
Drop Test:  Detect Edges, Corners And Surfaces Of Products Detect Edges, Corners And Surfaces Of Products
Bottom Plate Size:  560 x 410mm 560 x 410mm
Air Source Requirements:  0.4 MPa 0.4 ~0.6 MPa
Machine Size:  700x 900x 1650mm 700x 900x 1950mm
Equipment Weight:  80kg 125kg
Power Supply:  220V, 60Hz, 1 Phase, 3A 220V, 60Hz, 1 Phase, 5A

Price is another important consideration in the acquisition of this testing apparatus. The drop test machine price varies significantly depending on the specifications and capabilities it offers. As such, Potential buyers need to balance cost with functionality, Ensuring they obtain a machine that meets their specific testing requirements without overspending. Moreover, For varying degrees of impact simulations, the drop impact test machine and the drop shock machine offer specialized insights. These machines simulate different impact energies and scenarios, Ensuring that all possible real-world impacts can be realistically modeled in testing environments.

The drop shock test machine, in particular, Is crucial for testing the robustness of components and assemblies Within the device against high-speed and short-duration shocks. For packaging assessments, The packaging drop test machine is used extensively. It tests the effectiveness of packaging in protecting its contents during drops, Which could occur during shipping and handling. This testing is integral in refining packaging materials and designs, Thereby reducing product returns and increasing customer satisfaction.

Efficient testing with a drop test apparatus can significantly enhance product reliability and consumer trust. By investing in robust testing procedures like drop weight impact testing and utilizing different forms of drop test machines, Manufacturers can ensure that their products are prepared to withstand real-world use conditions. This adaptation not only promises better product lifespans but also supports brands in maintaining a competitive edge in the fast-paced world of technology.

The technology behind drop testing machines like the drop weight test machine is diverse and multifaceted, Reflecting the growing demands of an increasingly digital world. Each test variant, From the specific Chromebook drop test to the comprehensive drop impact test machine, Contributes significantly to the insightful analysis and enhancement of product durability and safety, Making them invaluable assets in product development strategies. In a world where the demand for durable and reliable portable electronic devices is ever-increasing, Drop test machines play a crucial role in ensuring these products meet the highest standards.

Wewon Environmental Chambers Co., Ltd., Through its commitment to quality and innovation, provides the market with drop test solutions that not only meet but exceed industry expectations. As technology progresses, Wewon continues to innovate, Leading the charge towards a future where every device is as resilient as the confidence its users place in it. Explore our range of drop test machines and empower your product development with unmatched durability and performance. Contact Wewon Environmental Chambers Co., Ltd. today to learn more about our products and how they can revolutionize your testing processes.

related page logoCE Certificate-LVD|Calibration Report of Drop Test Machine from Wewon Environmental Chambers Co., Ltd.
related page logoCE Certificate-EMC|Calibration Report of Drop Test Machine from Wewon Environmental Chambers Co., Ltd.

Drop Test Machine MIL-STD-810G Drop Test Shock Method → What’s Drop Test Machine ? During the products handling or transport process, there may be drop/ fall, which results in damage within the products. And this device simulates the drop/ fall of a finished product to evaluate the damage. All the rhombohedrons, angles and faces of the products can be tested. Box Drop Test Machine is applied to assess the package in the actual transportation, loading and unloading process by dropping the degree of impact, impact-resistant strength and evaluate the reasonable of packaging design. Read more…


MIL-STD-202-203 Test Method 203, Random Drop Machine → MIL-STD-202 is a test method and test standard for electronic and electrical components developed by the Columbus National Defense Center in the United States. MIL-STD-202-203 Test Method 203, Random drop test standard is approved for use by all Departments and Agencies of the Department of Defense. This entire standard has been revised. This revision (MIL-STD-202H) has resulted in many changes to the format, but the most significant one is the splitting the document into test methods. See MIL-STD-202 for the change summary. Read more…


Drop Weight Impact Tester The Falling Weight Impact Tester → Drop Weight Impact Tester Product Description: This machine is suitable for lens, plastic, ceramics, acrylic, glass fiber and other materials, the impact of fastness, Using DC electromagnetic control, The ball will be placed in the electromagnetic sucker under the ball was automatically sucked. Operation Method for drop weight impact tester : Press the drop button, The sucker/ cupula release the ball, Steel ball will be free fall test, Impact on the specimen surface exactly. Read more…

High Performance Stone Chip Test WSS-M1P83-E2

High performance stone chip resistance as outlined in Ford’s WSS-M1P83-E2 standard is a critical aspect of automotive exterior part performance. By rigorously testing coatings against these standards, Manufacturers can ensure that their vehicles can withstand the rigors of the road, Preserving their structural integrity and aesthetics. This commitment to quality benefits not only the manufacturers, In terms of brand reputation and customer loyalty, But also the end users, who enjoy better performance and extended vehicle longevity. As the automotive industry continues to evolve, Standards like WSS-M1P83-E2 will remain pivotal in driving innovations and improvements in vehicle durability and performance.

In the automotive industry, Ensuring the durability and longevity of vehicles’ exterior parts is paramount. As vehicles navigate diverse terrain, They are susceptible to damage from road debris, including stone chips. These small yet significant impacts can compromise a vehicle’s aesthetic appeal and, more importantly, Its structural integrity. It is here that the WSS-M1P83-E2 standard by Ford becomes critical. This comprehensive guide explores the high-performance stone chip resistance based on Ford’s WSS-M1P83-E2, Focusing on testing procedures, The importance of substrates, and the benefits of meeting this rigorous standard.

DV MCDCC PV and Routine Process Testing Requiements WSS-M1P83-E2

Meeting the WSS-M1P83-E2 standards is not merely about regulatory compliance. It is about committing to quality, durability, and customer satisfaction. High-performance stone chip resistance ensures that vehicles retain their aesthetic appeal over a more extended period, Reducing the need for costly repairs and maintaining the vehicle’s resale value. For manufacturers, This adherence translates into a reputation for quality and reliability, Key factors that influence purchasing decisions among discerning customers.

Moreover, In a competitive market where consumers have access to vast amounts of information, Demonstrating a commitment to quality through compliance with recognized standards like Ford’s WSS-M1P83-E2 can be a differentiator. It signifies to potential buyers that the manufacturer emphasizes not only on the vehicle’s performance but also on its longevity and external resilience.

Section 3.6: Chip Resistance Overview
Description Chip resistance is crucial for protecting a vehicle’s exterior coatings from the impacts of road debris, such as stones, without the coating peeling, flaking, chipping, or lifting.
Reference Standard WSS-M1P83-E2, Section 3.6
3.6.1 Stone Chip Test
Procedure The stone chip test, influenced by SAE J400, simulates debris impact on vehicle coatings at varying temperatures. A minimum rating of 5B is needed.
3.6.2 High-Performance Stone Chip Resistance
Standard FLTM BI 157-06 demands a minimum rating of 6, indicating stringent requirements for protective coating performance.
Focus Stresses the bond strength between the coating and substrate, ensuring durability against environmental elements.
High-Performance Stone Chip Testing (Ford’s WSS-M1P83-E2)
Application Covers decorative chrome electroplated parts for exterior use on ABS or PC/ABS substrates, focusing on durability and aesthetic appeal.
Key Emphasis Utilizes high-quality materials and electroplating practices to ensure parts withstand exterior automotive environmental challenges.

High Performance Stone Chip Test WSS-M1P83-E2 → High performance stone chip resistance as outlined in Ford’s WSS-M1P83-E2 standard is a critical aspect of automotive exterior part performance. By rigorously testing coatings against these standards, Manufacturers can ensure that their vehicles can withstand the rigors of the road, Preserving their structural integrity and aesthetics. This commitment to quality benefits not only the manufacturers, In terms of brand reputation and customer loyalty, But also the end users, who enjoy better performance and extended vehicle longevity. As the automotive industry continues to evolve, Standards like WSS-M1P83-E2 will remain pivotal in driving innovations and improvements in vehicle durability and performance. Read more…


Chip Resistance Test of Surface Coatings SAE J400 → The SAE J400 chip resistance test is a critical assessment tool that offers invaluable insights into the durability and resilience of automotive surface coatings. By adhering to the procedures outlined in the SAE J400 standards, Manufacturers can enhance the quality, Performance, and longevity of their products, ultimately leading to vehicles that not only look better for longer but also offer improved protection against the elements. As automotive technologies advance, The relevance of such testing standards will only grow, Continuing to guide the development of more durable and resilient coatings for the vehicles of the future. Read more…


High Performance Stone Chip Resistance BI 157-06 → The FLTM BI 157-06 high performance stone chip resistance test represents a critical benchmark in the automotive industry, Offering a robust method for assessing the durability of exterior paintwork. By leveraging the capabilities of the stone chip resistance tester VDA model 508, Manufacturers can rigorously evaluate their coatings and innovate towards solutions that withstand the rigors of road use. This not only enhances the vehicle’s aesthetic appeal and longevity but also reinforces the brand’s reputation for quality and durability. Read more…


Chip Resistance Test of Surface Coatings SAE J400

The SAE J400 chip resistance test is a critical assessment tool that offers invaluable insights into the durability and resilience of automotive surface coatings. By adhering to the procedures outlined in the SAE J400 standards, Manufacturers can enhance the quality, Performance, and longevity of their products, ultimately leading to vehicles that not only look better for longer but also offer improved protection against the elements. As automotive technologies advance, The relevance of such testing standards will only grow, Continuing to guide the development of more durable and resilient coatings for the vehicles of the future.

In the realm of automotive design and manufacturing, The durability of surface coatings against external abrasions, Such as chipping caused by gravel impact, is a paramount concern. Surface coatings, which include paint, Are critical for not only aesthetic appeal but also for protecting the underlying material from environmental damage. One pivotal standard that addresses this concern with a systematic testing procedure is the SAE J400 specification for evaluating the chip resistance of surface coatings. This article delves into the intricacies of the SAE J400 chip resistance test, Offering insights into its procedures, significance, and application in ensuring the quality and durability of automotive coatings.

Chip Resistance Test of Surface Coatings SAE J400

The Society of Automotive Engineers (SAE) J400 testing guideline is designed to mimic the real-world conditions under which a vehicle’s paint or surface coating might encounter damage due to the impact of gravel and other road debris. This standard provides a quantifiable measure of a coating’s resistance to chipping, Thereby assisting manufacturers in developing more durable and long-lasting products. The SAE J400 chip resistance test is a critical tool in the arsenal of automotive engineers and quality assurance teams focused on enhancing the performance and longevity of vehicle coatings.

Chip resistance testing is vital not just for maintaining a vehicle’s aesthetic appeal but also for protecting its structural integrity. The SAE J400 test ensures both aesthetic longevity and structural durability by exposing the surface coatings to environmental elements that could lead to corrosion and rust. The Significance of Chip Resistance Testing
SAE J400 chip resistance testing guides the improvement of surface coatings in the automotive industry, enhancing vehicle durability and aiding in the selection of materials for specific applications where chipping resistance is critical. Applications and Implications
Content focused on SAE J400 chip resistance testing, enriched with long-tail keywords and detailed exploration of the testing process aids in improving user experience and search engine visibility, addressing specific user queries effectively. Enhancing User Experience and Search Visibility
SAE International SAE J400 Chip Resistance Test Standards:
International Organization for Standardization ISO 20567-1
German Institute for Standardization DIN 55996-1
American Society for Testing and Materials ASTM D3170-03
General Motors Engineering Standards GME 60268-96
General Motors Worldwide GMW14700
General Motors Corporation GM9508P
MG Rover Group MGR ES30 AD 149
Nissan Engineering Standard NES M0007 Section 28
Deutsche Industrie Norm / ISO DIN EN ISO20567-1
Ford Laboratory Test Method FLTM BI 157-06

Determining the endurance and resilience of painted surfaces against chipping caused by flying stones and other debris is critical, Especially in the automotive and protective coatings industry. This necessitates a comprehensive understanding and comparison of various chip resistance tests, Notably the 4 Chip Resistance Tests detailed by JASO M104, SAE J400, ISO 20567-1 Test Method B, and ASTM D3170-3 standards. This extended insight aims at elaborating on these methods, Focusing on unique parameters and testing conditions such as blowing distance, Air outlet characteristics, specimen handling, and more to facilitate a deeper comprehension|Compliant with JASO M104, SAE J400 and ISO 20567-1 Test Method B

Through examining these distinctive aspects across JASO M104, SAE J400, ISO 20567-1 Test Method B, and ASTM D3170-3 standards, this discussion pledges to equip manufacturers, researchers, and quality assurance teams with crucial data. Understanding the intricate variations between these testing methodologies enables stakeholders to select the most applicable and insightful chip resistance test for their specific needs, Thereby optimizing product durability and performance.


High Performance Stone Chip Test WSS-M1P83-E2 → High performance stone chip resistance as outlined in Ford’s WSS-M1P83-E2 standard is a critical aspect of automotive exterior part performance. By rigorously testing coatings against these standards, Manufacturers can ensure that their vehicles can withstand the rigors of the road, Preserving their structural integrity and aesthetics. This commitment to quality benefits not only the manufacturers, In terms of brand reputation and customer loyalty, But also the end users, who enjoy better performance and extended vehicle longevity. As the automotive industry continues to evolve, Standards like WSS-M1P83-E2 will remain pivotal in driving innovations and improvements in vehicle durability and performance. Read more…


Chip Resistance Test of Surface Coatings SAE J400 → The SAE J400 chip resistance test is a critical assessment tool that offers invaluable insights into the durability and resilience of automotive surface coatings. By adhering to the procedures outlined in the SAE J400 standards, Manufacturers can enhance the quality, Performance, and longevity of their products, ultimately leading to vehicles that not only look better for longer but also offer improved protection against the elements. As automotive technologies advance, The relevance of such testing standards will only grow, Continuing to guide the development of more durable and resilient coatings for the vehicles of the future. Read more…


High Performance Stone Chip Resistance BI 157-06 → The FLTM BI 157-06 high performance stone chip resistance test represents a critical benchmark in the automotive industry, Offering a robust method for assessing the durability of exterior paintwork. By leveraging the capabilities of the stone chip resistance tester VDA model 508, Manufacturers can rigorously evaluate their coatings and innovate towards solutions that withstand the rigors of road use. This not only enhances the vehicle’s aesthetic appeal and longevity but also reinforces the brand’s reputation for quality and durability. Read more…


High Performance Stone Chip Resistance FLTM BI 157-06

The FLTM BI 157-06 high performance stone chip resistance test represents a critical benchmark in the automotive industry, Offering a robust method for assessing the durability of exterior paintwork. By leveraging the capabilities of the stone chip resistance tester VDA model 508, Manufacturers can rigorously evaluate their coatings and innovate towards solutions that withstand the rigors of road use. This not only enhances the vehicle’s aesthetic appeal and longevity but also reinforces the brand’s reputation for quality and durability.

This challenge has led to the development of rigorous testing methods designed to evaluate the stone chip resistance of automotive paints and coatings. A leading protocol in this domain is the Ford Laboratory Test Method (FLTM) BI 157-06, Specifically tailored to assess the resilience of exterior body surfaces against stone chipping. This article delves into the intricacies of this high performance stone chip resistance test, Its application, and the state-of-the-art stone chip resistance tester VDA model 508, Highlighting its significance for manufacturers and consumers alike.

As the automotive industry continues to evolve, The importance of standardized testing methods like the FLTM BI 157-06 remains paramount, Guiding the industry towards higher standards of excellence and consumer satisfaction. In the competitive automotive industry, The durability of exterior paintwork is not just about aesthetics but also about protecting the vehicle from the harsh realities of road use. Among these threats, Stone chipping stands out as a prevalent issue that can mar a car’s surface and significantly affect its resale value.

1 Age test panels according to applicable Engineering Material Specification. Procedure of FLTM BI 157-06
2 Grit blast the test panels for a period of 30 to 35 seconds with 2000 g of the grit using an air pressure setting of 2 bar at 23 +/- 2 °C.
3 Perform water immersion test according to Bl 104-01 for 72 hours|DIN-ISO-VDA-Gravelmeter → Test Apparatus for FLTM BI 157-06 Standard
4 Repeat the grit blasting as specified under procedure 2 within one hour of removing the panel from water immersion.
5 Evaluate by comparison with Evaluation Standards Photographs.
6 All chipping shall be reported. Where possible identify and record the plane in the paint layers where chipping occurs.

The primary application of the FLTM BI 157-06 test method is to provide a standardized and reliable procedure for determining the resistance of automotive paint or coating to stone ch