Autonomous Gas Detector with Fire Detection Zone BS-691
Autonomous gas detector with fire detection zone. Activated when the LPG content of the covered area exceeds 5-15% of L.E.L. (Low explosiveness limit). Conventional fire detection sensors (BS-692, BS-693), remote natural sensor can be connected to special inputs. gas as well as various types of solenoid valves. It has an audio instrument, relay 5A at 230V and buttons for manual control of good operation.