The carbonation test of concrete is a crucial assessment to determine the durability and service life of concrete structures. A key component of this test is the analysis and interpretation of data, which can be presented in a history graph. This article explores the significance of history graphs and data in carbonation testing, focusing on their role in evaluating concrete quality and predicting future performance.

Before delving into the importance of historical graphs and data, it is crucial to gain a comprehensive understanding of the carbonation test of concrete. This particular test serves as a vital assessment tool to measure the susceptibility of concrete to CO2 infiltration and subsequent reactions with alkaline components. This CO2 infiltration reaction can progressively lead to the corrosion of reinforcing steel embedded within the concrete structure, compromising its overall strength and durability over time.

Figure [6-1] Historical Curve			6.1 Historical Curve
Item	Name	Name Description
①	Back	Return to the fixed value test screen.
②	Temp, Humi, CO2	Displays the measured values of temperature, humidity, and CO2, and the set values of temperature, humidity, and CO2.
		Note: The color of the displayed value is consistent with the color of the curve.
③	Curve Scale	Display temperature, humidity, CO2 curve scale. (The scale range can be set in ⑨)
④	Time Scale	Display temperature, humidity, CO2 time scale.
⑤	Zoom/RED	Click to zoom in/out the curve.
⑥	Move Left And Right	Move the screen left and right.
⑦	Find	Find curves.
⑧	Set	Click to enter the curve setting screen.
⑨	Export	Export curves. (This function can only be operated after inserting the USB flash drive)
		☞ Export data to EXCEL document.
⑩	Data	Click to enter the data viewing screen.
Figure [6-2] Data Display			6.2 Data Display
Item	Name	Name Description
①	Sheet	The display area of the data.
②	FIND	Find a piece of history.
③	EXP	Export a certain period of history.
④	DEL	Delete history.

Concrete testing labs play a vital role in verifying the quality of concrete used in construction projects. By conducting comprehensive tests, these labs ensure that concrete meets the required standards and specifications. Furthermore, certifications from recognized concrete testing companies validate the reliability of test results and establish trust among project stakeholders. Investing in concrete testing certification enhances the credibility of data obtained from carbonation tests.

To assess the strength of concrete accurately, specialized machines such as concrete strength test machines are utilized. These machines subject concrete specimens to controlled loadings, generating data on compressive strength. Incorporating these results into the analysis of carbonation tests provides a comprehensive understanding of concrete behavior, aiding in the prediction of its long-term performance.

	Control System of Wewon Tech’s Concrete Testing Apparatus	Fix Test Guidance of Wewon’s Concrete Testing Machine
	Program Test Instruction of Wewon’s Accelerated Carbonation Chamber	Relevant Instructions and Operating Steps For Function Settings
	History Graph and Data for Carbonation Test of Concrete	Alarm History and Troubshooting for Accelerated Carbonation Test
	Make Appointment Settings Steps Through The Controller	Accelerated Carbonation Chamber for Concrete Test ISO 1920-12:2015
	Trace Amounts of Carbon Dioxide Gas Emitted From the Test Room	Precautions and Disclaimers For Using Concrete Test Equipment