Sampling steps for VOC harmful substances in the vehicle VOC emission environment chamber of the whole vehicle

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Sampling steps for VOC harmful substances in the vehicle VOC emission environment chamber of the whole vehicle

Date: May 02,2022 Views: 317

According to my country's standards, the volatile harmful substances in the car need to pass the test. The following is the sampling method of VOC sampling in the car with the vehicle VOC emission environment chamber of the whole vehicle, for your reference.

A. Preparation before sampling:

Sampling cabin: vehicle voc emission 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 voc environment compartment of the vehicle, open the door, and let it stand for at least 6 hours.

3. Close all doors and windows for 16 hours and start sampling.

4. For voc gas sampling, the total amount of collected gas 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.