Calibration: methane CH4
Sensor type: metal-oxide semiconductor (MOS)
Sampling method: diffusion
Detection range: 0...100% LEL CH4
Resolution: 0.1 /1 %LEL CH4
Sensor lifetime: > 5 years (MOS)
> 3 years (pellistor)
Power supply: 12...36 VDC (default), 24 VAC or 230 VAC as options
Digital interface: RS485, Modbus RTU protocol
Analog outputs: 2 × 4-20 mA / 0-10 V, user settable
Output relays (option): 2 × SPST relays (closing contact), 250 VAC / 30 VDC, 5 A max
Default alarm set-points: 20% LEL / 50% LEL CH4
Enclosure: die-cast aluminum, wall mount, IP65
Dimensions: H155 × W145 × D110 mm
Operating conditions: -40...+70 °C (MOS); -10...+50 °C (pellistor)
≤ 95% RH non condensing
safe areas and ATEX Zones 2 and 22
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