gas detector 1)Failure signal:3.6mA 2)Humidity:10-95%RH (non condensing) 3)Unit:ppm, mA, %,%LEL,%VOL 4)IP rating: Ip66
Programmable alarm operation value 4-20mA smart gas detector
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.
Thchnical data
* Power supply: 24VDC (10.5 ~ 45 VDC)* Linear output signal: 4~22.8mA with superimposed communication signal for HART protocol * Failure signal: 3.6mA * T90 response time: <30 sec* Resume time: <35 sec* Resolution: 1 uA* Accuracy: ±3%F.S.; ±1%F.S. (On request)* Display: backlight LCD, LED* Backlight LCD display : 5-digit gas reading 50 bar graph display 0-100% full scale"* Unit: ppm, mA, %,%LEL,%VOL* Operating temperature:-40~70°C (According to gas sensor operating conditions)* Humidity:10-95%RH (non condensing)* Ex-protection: Exd IIC T6 (Flame-proof Type) * Electronic housing: Die-cast aluminium explosion-proof housing* Accessories material: Aluminium for O2,CO and combustible gas. Stainless steel for others. * IP rating: Ip66
Programmable alarm operation value 4-20mA smart gas detector
