The gas alarm monitor type GJD-02C is used, where only one detection point is needed, which requires just one gas detector.
The alarm monitor is designed to receive and process the signal from the connected detector. It will carry out necessary follow-up signal processing and set off gas warning and gas alarm. The relay circuits in the GJD-02C system has relay contacts for low alarm level, high alarm level and system error. These facilitate the control of external functions like ventilation systems, magnet valves, cutting off the power supply.