Common issues with gas detectors and their fixes
Fault 1. Low concentration gas cannot be detected
solutions:
1. Check whether the air pump of the gas detector is working normally. Block the air inlet with your finger for 5 seconds. If there is obvious suction, if there is no suction, check whether the air inlet is blocked;
2. Introduce nitrogen gas to calibrate the zero point or calibrate the zero point in clean air, and then test after calibration;
3. If the measured gas cannot be detected after zero point calibration, the gas detector needs to be restored to factory settings;
4. The above steps have been performed but still can not be detected. It is necessary to confirm whether there is a gas to be measured on site, or the concentration of the gas to be measured is really low. If it is lower than the small detection accuracy of the gas sensor, it cannot be detected.
