The Gas Detector Detects Explosive Gas Such As: Methane Gas And Liquefied Petroleum Gas (LPG) The Detector Is Tested And Calibrated To 20% Of L.E.L. Through The Built-in Relay, The Gs9llk Can Activate: Solenoid Valves, Sirens, And Any 0th- Er Device Alarm The Detector Is Complete With A Special Cir- Cuit That Controls The Catalytic Sensor’s Effi ciency Level, And Signals Any Possible Fault Conforming To The Specifications Of Europe- An Quality And Safety Standards. Compatible With Saudi Specifications