There is no measured gas in the gas detector, but the value fluctuates greatly or jumps wildly
1. The short-term zero point fluctuation range is less than 1% of the large range, which belongs to the normal range. In the absence of the measured gas, the long-term drift is less than 2% of the large range. Gas, or the temperature and humidity in the air fluctuate greatly, resulting in unstable values;
2. Confirm whether the zero point calibration or the target point calibration operation has been performed on the gas detector. If the zero point calibration operation is performed in the place where there is a gas to be measured, it may not be able to detect low-concentration gases. The target point calibration is performed, but the calibrated concentration value does not match the actual concentration value, which may cause the value of the gas detector to fluctuate greatly or the detected value is too small. These two situations can be resolved by restoring the factory operation;
3. If the problem cannot be solved, it is necessary to confirm whether the gas detector is fed with high-concentration gas or high-concentration gas has impacted the gas sensor. If it has impacted the gas sensor, turn on the gas detector and run it for 24 hours. If the value is not stable, the gas sensor may be damaged by impact, and the gas sensor needs to be replaced.
