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Vehicle VOC test chamber

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Test Principles

The process of the test of pollutant release with the environmental chamber can be
Summarized as:putting materials and products or their samples in the test chamber,and
Adjusting environmental conditions such as temperature in the chamber,relative humidity and air exchange rate;sampling at the exhaust port or the inside of the environmental chamber;adopting appropriate methods to analyze gas samples and identify major pollutants and the changes in their concentration with the time;then confirm the release rate and release properties of materials and products according to the measured concentration.

Feature

The testequipment satisfies ISO12219-2011 Environmental Protection Industry Standard of People’s Republic of China
Background of the test chamber is controlled with Ventilation Method and internal circulation
The customer provides other accessories and instruments for detecting voc,while the supplier coordinaters with the installation of sampling aperture.

Reference Standards

VOC Detection Method for Japanese JAMA Vehicle(Automotive air conditioning can be started)
National standard HJ/T 400-2007 Methods for Sampling and Detecting Volatile Organic Compounds as well as Aldehydes and Ketones inside the Vehicle(The whole vehicle is static)
GB/T 28370-2012 Detection Methods for Air Quality in the Coach
VOC Test Methods for German VW PV 3938 Vehicle(Infrared Heating Method)
ISO 12219-1:2012(E) Air in Road Vehicles Section I:The Whole Vehicle Testing with the Environmental Chamber Method Method Specification for Detection of olatile Organic Compounds inside the Vehicle(simulating sunshine)

Technical specifications

Temperature	Adjustable range	20~30℃
	Adjustment accuracy	±0.5℃(Fluctuation), ±1.0℃(Deviation)
	Measurement accuracy	±0.1℃
Relative humidity	Adjustable range	40~70%R.H.
	Adjustment accuracy	±5%R.H.(Deviation)
	Measurement accuracy	±1%R.H
Ventilation Flow	Adjustable range	300~1200m³/h（Air change rate: 2.0-10times/hour）
Dimension of the inside of VOC compartments of the whole vehicle		800050003500mm=140m³（depthwidthheight）
Dimension of the door of VOC compartments of the whole vehicle		28003000mm(heightwidth)
Pressure indide VOC compartments of the whole vehicle		/
Wind rate		≤0.3m/s, with outlet at the smallpox mesh on the ceiling and return air at the bottom
Maximum air processing Volume of the filter Air quantity		Air flow: 3m³/h
Activated carbon filter/chemical filter		Max wind processing volume:1000m³/h Requirements of pollutant concentration in gases after processing
Value of background concentration of pollutants in the environmental chamber		Blank background: 1. Benzene<0.010mg/m3; 2. Methylbenzene ≤ 0.02mg/m3; 3. Xylen e≤ 0.02; 4. Ethylbenzene ≤ 0.02mg/m3; 5. Styrene ≤ 0.020mg/m3; 6. Formaldehyde ≤ 0.02mg/m3; 7. Acetaldehyde ≤ 0.01mg/m3; 8. Acrolein ≤ 0.01mg/m3
		Opening the door of the whole vehicle:due to great differences of materials of the vehicle, when opening the door of the whole vehicle, it should be guarantee that voc of single component is smaller than 0.02mg/m3 or10% of the limit; formaldehyde content is smaller than 0.02mg/m3; TVOC content is smaller than 0.2mg/m3

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