Shanghai smart gas safety device hart protocol and lcd display

gas safety device 1)Unit:ppm, mA, %,%LEL,%VOL 2)Display:backlight LCD, LED 3)Humidity: 10-95%RH (non condensing)

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

  

Gas transmitter Technical dataRanges: Sensor dependentPower supply: 10.5...45VDC (24VDC typical)Output: 4...22.8mA (linear), 3.6mA (fault signal) T90: <15sResolution: 1μA Accuracy: ±3%F.S., ±1%F.S.(on request)Operating temperature: Sensor dependent, -40~70C(typical) Humidity range: 15-95% R.H. (non-condensing) Enclosure: Cast aluminumSize: 160mm(L)X140mm(W)X85mm(H) Ingress protection: IP66Weight: Approx. 1.3kg