In recent years, The demand for safe battery test chambers has increased dramatically as the global market for lithium-ion batteries continues to expand. Ensuring the safety of testing environments is a critical requirement for manufacturers, research institutes, and quality inspection labs. One of the most stringent standards in this field is the EUCAR Hazard Level 6 battery testing requirement. At Wewon Environmental Chambers Co., Ltd., Our EUCAR Hazard Level 6 battery test chambers are designed specifically for battery test chambers for lithium-ion batteries that need to meet the highest standards of explosion prevention and fire suppression during testing.
What is EUCAR Hazard Level 6? The EUCAR Hazard Levels classify the potential hazards of battery failures, ranging from level 0 (no effect) to level 7 (explosion). Hazard Level 6 represents severe conditions: flame or explosion without cell rupture, but a high risk to testing personnel and equipment. Therefore, Environmental simulation safeties for battery testing at this level require multiple layers of protection. There is no doubt that EUCAR Hazard Level 6 battery testing chambers must include the H2, CO, O2 Gas Detection and N2, CO2 Purge safe features.
| Equipment Model | WEW-BTS-080L-S-6 | WEW-BTS-500L-T-6 |
| Testing Volume | 80 Liters * 3 Pieces | 500 Liters * 2 Pieces |
| Inner Dimnesion | 500*400*400mm (W*D*H) | 900*800*700mm (W*D*H) |
| Equipment Dimension | 1050*1320*1860mm (W*D*H) | 1450*2170*2020mm (W*D*H) |
| Temperature Range | -40℃ +110℃ | -70℃ +110℃ |
| Over Temp Protection 1 | Independent, intrinsically safe temperature limiter (Class 2), pre-set to 120 °C | |
| Over Temp Protection 2 | Additional independent temperature detection activates “cooling and flushing system at +120 °C | |
| Over Temp Protection 3 | Manual activation of cooling and flushing system | |
| Pressure Relief | Reversible pressure relief flap (diameter 150 mm) with connection (diameter 250 mm) | |
| Gas Detection 1 | Gas detection using H2, CO, and O2 sensors activates cooling and flushing system | |
| Gas Detection 2 | Connection for CO2 cooling and flushing system｜Controlled inerting system for CO2 gas. | |
| Humidity Range | 20% ~ 98% (Optional) | 20% ~ 98% (Optional) |
| Temperature Uniformity: | ≤±2℃ (No Load, Constant State) | ≤±2℃ (No Load, Constant State) |
| Temp Control Fluctuation | ±1.0℃/+0.5℃ | ±2.0℃/+0.5℃ |
| Humidifier | Detachable Boiler Humidification Method, 2.5kW | Detachable Boiler Humidification Method, 2.5kW |
| Heater and Power | Nickel-Chromium Alloy Electric Heating Wire Heater | Nickel-Chromium Alloy Electric Heating Wire Heater |
| Heater and Power | Heater Power: 2KW | Heater Power: 2KW |
| Control Method: | Non-Contact Periodic Pulse Width Modulation, | SSR (Solid State Relay) |
| Smoke Vent | 100mm Diameter | Located On The Rear/Top Of The Test Room |
| Pressure Relief Port | Opening Size 200*200mm, Located On The Left Side Of The Cabinet | When The Sample Explodes, The Pressure Relief Port Pops Open To Release The Pressure |
| Test Room Door | The Single Door Opens From The Left, And The Side Of The Door Is Equipped With An Explosion-Proof Chain | |
| Testing Holes | There Is A Test Hole With A Diameter of 50mm And 100mm On The Left Side Of The Device. | |
| Testing Holes | Easy To Put In Temperature, Voltage, Current And Other Acquisition Lines | |
| Equipment Movement | There Are Four Universal Casters at the Bottom Of The Device, Which Can Be Moved Freely | |
| Lighting Device | Sanxiong Laser-LED Lamps, 220V | Sanxiong Laser-LED Lamps, 220V |
| Control Method | Push Button Control | Push Button Control |
| Protective Device | No Fuse Switch, Compressor Overload Protection Switch, Refrigerant High And Low Pressure Protection Switch, Over-Humidity Over-Temperature Protection Switch, Fuses, Fault Warning Systems | |
| Security System: | Automatic Explosion-Proof Pressure Relief Device, Explosion-Proof Chain, Remote Control, Smoke Extractor, Fire Extinguisher (Optional) | |
| Cooling System | Air Cooling Way | Water Cooling Way/ Air Cooling Way |
| Insulation Material | High Temperature Resistant High Density Polyester Amine Rigid Foam Insulator Material | |
| Heating Rate: | 1~3°C/min (Non-Linear No-Load) | 1~3°C/min (Non-Linear No-Load) |
| Cooling Rate: | 0.8~1.5℃/min (Non-Linear No-Load) | 0.8~1.5℃/min (Non-Linear No-Load) |
| Observation Window: | W250 X H300 mm, Three-Layer Vacuum Tempered Glass | Transparent Window with Stainless Steel Mesh |
| Compressor Type: | France Tecumseh Compressor | Completely Enclosed Compressor | French Tecumseh Compressor/Germany BOKE Compressor |
| Freon Type: | R404A, R23, R508 | R404A, R23, R508 |
| Controller System:： | 7-Inch Touch Screen Can Be Programmed to Control PLC, With USB Interface, With RJ485 Interface Can Be Connected to Computer Control, Dedicated Network Control Software, Convenient For Remote Monitoring and Data Collection | |
| Inner Room Material: | SUS304# Mirror Stainless Steel, 1.0MM Thick, Spray Teflon Insulation(Optional) | |
| Body Material Description: | Galvanized Sheet, Powder Sprayed, High Temperature Plasticized, 1.5MM Thick, Cold Rolled Steel Plate with Baking Paint Treatment | |
| Power Voltage： | AC380V 50Hz +10% 50/60Hz | AC400V, 440V, 50Hz +10% 50/60Hz |
| ImportantTips: | Before making a formal purchase order from us, You need to truthfully explain the clents’s real needs to the Chinese supplier in detail. The advantage of doing this is that it enables manufacturers to truly understand the test requirements that customers want to achieve. This is important ! | |
Designed specifically for testing large-scale EV battery packs, this custom-engineered EUCAR Hazard Level 6 test chamber features a single, ultra-wide testing zone. The spacious internal workspace (1,800 mm W x 1,500 mm D x 500 mm H) is optimized to accommodate high-capacity NCM and LFP battery modules, ensuring ample clearance for heavy-duty connectors and unobstructed airflow during charge/discharge cycling.
To address the ergonomic challenges of handling heavy test specimens, the chamber is equipped with a low-profile, heavy-duty pull-out cart system. Rated for a minimum load of 400 kg, this sliding tray mechanism allows engineers to safely load and position massive battery packs using a forklift or pallet jack outside the chamber, eliminating the need for personnel to enter the testing space.
Engineered for maximum safety during extreme abuse or cycling tests, the system incorporates reinforced pressure relief vents, a robust electromagnetic door locking mechanism with safety chains, and side-mounted fire-resistant cable ports. These integrations ensure seamless connection to external battery cyclers while maintaining strict compliance with EUCAR Level 6 explosion prevention standards.
Furthermore, the chamber delivers precise thermal management capable of handling active heat loads up to 5 kW. Coupled with continuous multi-gas monitoring (H2, CO, O2) and automated nitrogen purging, it offers an uncompromised, multi-layered defense mechanism against potential thermal runaway events during rigorous environmental evaluations.
As energy storage technologies continue to advance, So do the safety requirements. EUCAR Hazard Level 6 battery test chambers from Wewon Environmental Chambers Co., Ltd. offer a safe, reliable, and compliant solution for battery test chambers for lithium-ion batteries. With H2, CO, and O2 gas detection, N2 purge, CO2 fire suppression, and burst disk safety mechanisms, Our chambers ensure that even the most demanding environmental simulation safeties for battery testing are met.
For laboratories, R&D centers, and manufacturers looking for safe battery test chambers, These advanced solutions are the cornerstone of safe and effective environmental chambers for battery testing with EUCAR protection. These chambers allow safe and repeatable battery testing under controlled environmental conditions.
| Our environmental chambers for battery testing with EUCAR protection integrate advanced gas sensors for: (1) H2 gas detection (Hydrogen) (2) CO gas detection (Carbon Monoxide) (3) O2 gas detection (Oxygen concentration). Continuous monitoring of these gases provides an early warning in the event of thermal runaway or battery venting. | 1. Gas Detection and Monitoring | Key Features of an EUCAR Hazard Level 6 Battery Test Chamber |
| The N2 and CO2 gas purge system is a crucial part of our lithium-ion battery test chamber safety design. This dual-gas management strategy significantly increases safety during extreme test conditions. | 2. N2,CO2 Purge to Reduce Oxygen Levels | |
| Purpose: Reduce the oxygen concentration in the chamber to around 5% O2, lowering the risk of combustion. The N2 gas purge is to reduce the oxygen level in the chamber to try and limit the chance of a fire normally they look to control down to 5% O2. | ||
| During Fire: if there is a fire then the chamber would need to fill with CO2 to try and suppress the fire. If a fire occurs, the system automatically switches to CO2 purge to suppress flames. | ||
| There would also be a burst disk on the chamber so if the battery cell goes off the amount of gas escapes through the burst disk rather than damaging the test chamber. | 3. Burst Disk for Pressure Relief | |
| Temperature Range: Simulate from sub-zero to high-temperature
conditions Humidity Control: Replicate real-world environmental stress Programmable Profiles: For cycling tests, life testing, and abuse testing. |
4. Temperature and Environmental Control |
Wewon Environmental Chambers has re-engineered its battery test chambers with a multi-layered safety architecture that speaks directly to the anxieties of R&D engineers, quality-assurance managers, and regulatory inspectors who search daily for lithium-ion battery abuse test safety and thermal-runaway containment chamber. At the heart of this architecture sits a Class 2 independent temperature safety device that snaps into action the instant the chamber setpoint reaches 120 °C. By functioning as a fail-safe watchdog separate from the primary PID controller.
Complementing that safeguard, the controller itself is electronically bounded so the temperature range is limited to 120 °C on the controller— no software override, no human error. This deliberate ceiling aligns with IEC 62133, UL 1642, and UN 38.3 search phrases that engineers type when evaluating equipment for compliance. Above the workspace, a stainless-steel reversible pressure relief flap installed in the middle on top of the unit provides instantaneous venting during off-gassing incidents. Fabricated from 316L marine-grade stainless, The flap is laser-welded to maintain IP55 sealing under normal conditions yet pivot freely when internal pressure rises above 5 kPa, a specification often sought under battery explosion vent valve and pressure equalization battery chamber.
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To secure the test volume against inadvertent breaches during a thermal event, Wewon integrates an enhanced door-locking mechanism with reinforced brackets. The three-point latching system uses case-hardened steel hooks rated to 2 000 N, A detail that satisfies audits keyed to battery test chamber door lock strength. Each hook is monitored by proximity sensors wired into the safety PLC, Generating tamper-proof data logs that dovetail with trending keywords such as battery chamber door interlock validation and NFPA 855 door retention test.
