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Analogue 4-20mA interface for analogue addressable control panels. It allows the management of a gas detector. This means the unit will assign an address to the detector. The sensor has two pre-alarm thresholds and a warning alarm. The thresholds, depending on the type of gas will be expressed in ppm or % LEL. The coding of the address is obtained via dip-switch, using an address of the 99 available each loop. The module requires auxiliary power. Suitable for AM4000G panel and AM Series control panels. Power 15-30VDC. Quiescent current 10mA plus current gas detector with external power. Operating temperature 0°C to +50°C. Relative humidity at up to 93%.