... leak detector: 1)Unit: ppm, mA, %,%LEL%VOL 2)Humidity: 10-95%RH (non condensing) 3)Failure ... alarm control unit or DCS (Distributed Control System) 2) Flameproof body design acc. to IEC61508,simple and ... Power supply: 24VDC (10.5 ~ 45 VDC)2) Linear output signal: 4~22.8mA with superimposed ... 8-digit 14-segment additional display 52 bars meter with 2% resolution10) Unit: ppm, mA, %,%LEL%VOL11) Operating ...