Automotive Interior Parts Voc Formaldehyde Emission Test Chamber Sampling Bag Method

• After-sales Service: 1 Year
• Power Supply: 380V/50hzv
• Certification: CE, TUV, ISO
• Warranty: 1 Year
• Operation Method: Touch Screen Control
• Temperature Control Method: Pid
• Model NO.: HYVD-24
• Temperature Fluctuation: 2°c
• Temperature Uniformity: 2°c
• Scope of Use: Auto Parts Voc Testing Methods
• Transport Package: Standard Export Wooden Box
• Specification: Customized
• Trademark: HUANYI
• Origin: China
• HS Code: 8514199000
• Production Capacity: 10000pieces/Year

Product Description

Product Description

Principle of environmental chamber for bag method VOC detection

One or more test samples placed in the sampling bag are heated to temperature, and then a small portion of the gas in the sampling bag is collected to measure the test concentration. By comparing the test concentration to the corresponding blank concentration, the bag value of VOCs, formaldehyde and other carbonyl compounds diffusing from a test sample can be calculated.

Required instruments and materials

1. Sampling bag;       2. Nitrogen or air (filling gas);        3. Constant temperature oven;

4. Water pump;          5. Integrated flow meter;               6. Gas analyzer;          7. Adsorbent tube and DNPH cartridge.

[The detection method is divided into four processes]

Preparing for the test - Emission test - Gas collection - Analysis procedure - Calculation of sampling bag values - Test report

[Prepare for test]

1. Cleaning of sampling bags

1.1. Connect the PTFE tube to the sampling bag cover;

1.2. Fill the bag with dry nitrogen or air, and then empty the bag with a pump;

1.3. Repeat the filling and emptying operations three times.

2. Preparation of sampling bags

After cleaning, cut one end of the sampling bag and place one or more test samples into it. Fold the cut end of the sampling bag and seal it securely using a sealing material such as tape or heat glue. Fill the sampling bag with dry nitrogen or air, and then empty the bag. Fill the bag with another 5 liters of dry nitrogen or air. The same sequence of operations should be applied to empty sampling bags as blanks.

[Emission test]

Place the sampling bag containing one or more test samples and the blank bag into a constant temperature oven and maintain it at 65°C ±1°C. Thread the PTFE tubing attached to each bag through the appropriate opening in the oven. The two sampling bags should be heated within the specified time of 2 hours ± 5 minutes. The test time is calculated from the time the sampling bag is placed in the constant temperature oven.

Meet the standards

Auto parts VOC environmental test chamber test reference standards:

ISO12219-2: Air inside road vehicles. Part 2: Determination and screening method for volatile organic compounds emitted by vehicle interiors and materials.

Product Parameters

 

Model		HYVD-48	HYVD-24
Internal volume(m³)		48	24
Internal dimension	W	6000	3000
	D	4000	4000
	H	2000	2000
Performance	Temperature	Range	15ºC~85ºC
		Volatilitty	≤±0.5ºC
		Deviation	≤±2ºC
	Background value(mg/m³)	Formaldehyde: ≤0.02mg/m³; Acetaldehyde: ≤0.01mg/m³; Touluene: ≤0.02mg/m³ Ethlbenzene: ≤0.02mg/m³; Xylene ≤0.02mg/m³; Styrene≤0.002mg/m³; TVOC≤300μg/m³; Single VOC ≤20μg/m³
Relative positive pressure		10±5Pa
Air velocity		0.1~1.0m/s(continuously adjustable)
Air exchange volume measurement		Electronic flowmeter
Temperature control method		Electric heating, SCR load regulation module, forced hot air circulation
Observation window		330*450mm(W*H) , two
Material	Outer chamber	Cold rolled steel sheet 0.8mm, surface eletrostatic spraying , white
	Inner chamber	SUS304 mirror stainless steel 1.2mm
	Insulation	High temperature  resistant material+polyrethane composite, thickness 100mm
	Sealing material	Sillicone (medical grade) or polytetrafluoroethylene
Power supply		Three-phase five-wire+protective grounding
Installed capacity(kw)		35	23.5
Noise(dB)		≤65dB
Ambient temperature		5ºC~35ºC

 

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