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2. The laser dust particle counter should be used in a clean environment to prevent damage to the laser sensor.
3. Do not measure mixed gases (such as hydrogen and oxygen) that may react. This gas may also explode inside the counter. These gases need to be measured with the manufacturer for more information.
4. No high pressure decompression equipment (such as high pressure diffuser) should not sample compressed air. All particle counters are designed to operate at one atmosphere.
5. Water, solution or other liquids cannot enter the sensor from the inlet tube.
6. The particle counter is mainly used to test the clean environment of the purification workshop. When the measured area has loose particle material, dust source and spray, it must be less than 12 inches away from the inlet pipe. In order to avoid contamination of the sensor and piping with the above particles and liquids.
7. At the time of sampling, the gas contaminated by the gas discharged from the counter itself or by the counter is sampled.
8. When connecting an external printer or connecting an external temperature and humidity sensor, you need to turn off the counter first; when performing the printing operation, the printer must have printing paper, otherwise the print head will be damaged.
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SUJING—JINGHUA
Dust particle counter usage precautions
1. Do not start the counter when the inlet tube is covered or blocked.