Operation guide of Combustible gas detector:
1. Turn the unit off and the sensitivity knob fully counter clockwise.
2. Turn the unit on in a non-contaminated atmosphere by slide the switch to ON, the power indicator will be lit. Power indicator keep on light show the battery power is sufficient, it ensure the unit precise detection.
3. After turn on, the unit will auto warm-up within 20 sec, a ticking sound will be heard.
4. Adjust the sensitivity control until the first leak indicator light up, the ticking speed up.
5. Approached the sensor to a known leak source, the leak size indicate lights will increase with the rapid ticking. Above steps to ensure the unit working correctly, now the unit are ready to use. If the battery power in sufficient state but the sensor approach a known leaks without any responds, do not use the instrument, please return for repair.
6. In conjunction with the increased tick rate, the leak size indicator will light from down to top as a larger combustible concentrations.
7. Search the general area of the leak. When a detectable compound enters the sensor, the ticking speed up.
8. If you are searching for a heavy leak source, please lower the sensitivity in a clear air by turning the adjustable knob (until the leak size indicator turn off).
