Evikon E2670-LEL 防火可燃气体探测器 (0~100% LEL)

Detected gases: hydrogen, methane, acetylene, propane, butane

Default calibration: methane CH4

Sensor type:   metal-oxide-semiconductor (MOS)
pellistor (catalytic bead) on demand

Sampling method: diffusion

Detection range: 0...100% LEL

Resolution:   0.1% LEL

Accuracy: ± 2% LEL

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

Datasheet

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