One: How to judge the quality of the gas detector
Generally, the standard gas detection is carried out. First, zero gas is introduced, the zero point is adjusted, then the span gas is introduced, the range is adjusted, and then the frequency is repeated. The zero point and the range are accurate, indicating that the instrument is good. Of course, various instruments also have some special ones. Diagnostic means such as temperature. Whether the voltage, etc. reaches the set value, etc.
Second: the precautions for using the gas detector
The sensitivity of a gas detector lies in its sensor, so many of the things we need to pay attention to during the use process are around the sensor. The sensor has a high sensitivity, and some gas detectors are small, but the function is relatively powerful, and can also display the concentration of a variety of gases, so that the requirements of the gas detector sensor are even higher.
Because the gas detector can display the concentration of a variety of gases, care should be taken to calibrate and test the gas detector frequently. In addition to this, there is a problem that the gas detector will have a waiting process before getting an accurate test value. If the gas detector is not properly calibrated and tested in time, the final detection value will be affected. .
Each gas detection will have a corresponding sensor, which means that the gas detector's sensor has a certain uniqueness. When choosing each gas detector, we must pay attention to the influence of other gases on the sensor. If possible, we should know in advance the interference of other gases on the sensor, which will improve the detector.
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