Smart 4-20ma combustible gas leak detector with lcd display and alarm

Smart gas leak detector: 1)Unit: ppm, mA, %,%LEL%VOL 2)Humidity: 10-95%RH (non condensing) 3)Failure signal: 3.6mA

Smart 4-20ma combustible gas leak detector with lcd display and alarm

Technical features:

1) 4-20mA, 3 wire connection ,compatible with existing alarm control unit or DCS   (Distributed Control System) 2)  Flameproof body design acc. to IEC61508,simple and easy installation and maintenance. 3) Multi-parameter backlight LCD display: measuring range,digital gas reading ,units, bar graph ,      system status etc.4)  International standard plug-in sensor, Plug and Play! .5) Sensor replacement without recalibration, automatic sensor data recognition.    Sensor fault signal output monitoring and indicating.6) Programmable alarm operation value, low or high level alarm indication.7) Three-key operation for on-site configuration and maintenance. 8) PC programmable software for online configuration and maintenance. 9) PDA programmable software for configuration and maintenance on-site,field or remote   operation separate from the control units. 

10) Automatic temperature compensation ensure the correct measurement.

Thchnical data:

1) Power supply:  24VDC (10.5 ~ 45 VDC)2) Linear output signal: 4~22.8mA with superimposed communication signal for HART protocol3) Failure signal: 3.6mA 4) T90 response time: 15 sec 5) Resume time:30 sec6) Resolution: 1 uA7) Accuracy: ±3%F.S.;  ±1%F.S. (On request)8) Display mode: Backlight LCD, LED9) LCD display type: 5-digit 7-segment main display                             8-digit 14-segment additional display                             52 bars meter with 2% resolution10) Unit: ppm, mA, %,%LEL%VOL11) Operating temperature: -40~70C (According to gas sensor operating conditions)12) Humidity: 10-95%RH (non condensing)13) Ex-protection:  Ex d IIC T6 (Flame-proof Type) 14) Electronic housing: Die-cast aluminium explosion-proof housing15) Other accessories material: aluminium for O2CO and combustible gas , 316SSL  for other gases 16) IP rating: Ip66

Smart 4-20ma combustible gas leak detector with lcd display and alarm