Subtronics India Pvt. Ltd. Manufactures Gas Detector with Solid-State Semi Conductor Type Gas Sensor. Subtronics India Pvt. Ltd. Is an ISO 9001:2000 certified company. Gas Detector with Solid-State Semi Conductor Type Gas Sensor is made of LM-6 Casting-J1B. These Gas Detector Head models are made of brass body. Gas Detector with Solid-State Semi Conductor Type Gas Sensor has D.G.F.A.S. And LI, C.M.R.I., I.S.I., T.A.C approvals. The cable is made of Copper, 1.5 square mm 4 core armored or unarmored or similar or can be also Polycab made.