SMOKE DETECTORS
The GS-SD2000 Duct Smoke Detector has the option of either a Photoelectric sensor or an Ionisation sensor for high temperature applications, the sensor heads are interchangeable.
The sensor samples air currents passing through a duct using a range of sampling tubes and has 2 alarm relay outputs to switch on fans, blowers etc and send an alarm to the BMS or alarm panel. Volt Free supply voltage.