Sampling steps for in-vehicle VOC sampling with vehicle VOC environment chamber

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Sampling steps for in-vehicle VOC sampling with vehicle VOC environment chamber

Date: May 18,2022 Views: 345

According to national standards, the volatile harmful substances in the car need to pass the test. The following editors of the ring instrument have prepared a sampling method for in-vehicle VOC sampling through the vehicle voc environment chamber for your reference.

A. Preparation before sampling:

Sampling cabin: vehicle voc environment chamber

Sampling cabin model: HYVW-16

Sampling cabin manufacturer: Huanyi Instrument

B. Sampling environment requirements:

Ambient temperature: 25.0℃±1.0℃;

Ambient relative humidity: 50%±10%;

Ambient air velocity ≤0.3m/s;

Background concentration value of environmental pollutants: toluene≤0.02mg/m, formaldehyde≤0.02mg/m

C. Sampling steps of car voc:

1. Sampling point setting, according to different models, set a different number of sampling points.

2. Put the inspected vehicle into the vehicle voc environment chamber, open the door, and let it stand for at least 6 hours.

3. Close all doors and windows for 16h, and start sampling.

4. For voc gas sampling, the total amount of gas collected should not be greater than 5% of the total volume of the vehicle.

5. For sample analysis, use corresponding methods to analyze whether the harmful substances such as voc in the car exceed the standard requirements.

Huanyi Instruments provides the overall design solution for the vehicle voc environment chamber. For more information, you can visit the official website of "Huanyi Instrument" to consult relevant technical personnel.