Industrial CH4 Methane Gas Detector is a safety device, widely used in Mine, factory, gas station, Chemistry company, ect. It can call gas detector, gas alarm, it is a device to sensing CH4, C2H6, C4H10, C5H12, H2S, ect combustible gases. Features: * Non-interfering, intelligent detector boundary * Output: 4~20mA * Unique automatic fault diagnosis function * Catalytic sensor * Low energy consumption * Detect natural gas, lpg, CH4, alcohol Details: * Technical Parameter: * Environmental Parameters: Environmental temperature: -40 degrees Celsius ~ 70 degrees Celsius Relative humidity: Less than 90%R.H * Technical Parameter: Operating Voltage: 16~30V DC Operating Current: 120mA Output signal: 4~20mA standard signal three-wire system output * Sensor: Die cast aluminum catalysis incendiary sensors * Respond: Less than 30s * Measuring range: 0~100%LEL * Installation Parameter: Installation type: Wall-mounted Transmission cable: Three conductor cable shielded cabling, section: 3x1.5mm2, external diameter: 10mm Transmission Distance: â?¤1000m * Explosive-proof grade: Exd II CT6 * Protection Grade: IP65 * Connector: G3/4 If you interest in gas leakage detector, flammable gas sensor, please contact us. All business inquires are replied within 24 hours. Welcome to order by OEM and ODM! ( Skype: joyyiliu315 )