1. Turn on the switch power of the gas detector, and place the probe in the area where the gas concentration is to be detected after the self-inspection and preheating of the detector have successfully entered the inspection mode.
2. The gas detector is allowed to enter the working face for inspection only after confirming that there is no potential safety hazard. When the detection instrument alarms, immediately exit the working face and conduct the inspection after forced ventilation for more than half an hour. The inspector needs to write the inspection conclusion of the operation site on the confirmation sheet and take full responsibility for the accuracy of the inspection data.
3. After inspection, the overturning warning sign shall be determined according to regulations.
4. When the battery power of the gas detector is low, it indicates that the battery is running out of power. Turn off the power immediately and use a charger to charge the battery. Each charge lasts 10-14 hours.