Gas leak Detector with alarm system 4-20mA

الوصف

Specifications

Programmable alarm operation value ***0mA Smart Toxic Gas Detector

Technical features 

* ***0mA, 2 wire connection ,compatible with existing alarm control unit or DCS

  (Distributed Control System) 
* Flameproof body design acc. to IEC****8,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. 

Thchnical data 

* Power supply:    *4VDC (*0.5 ~ *5 VDC)
* Linear output signal:   4~*2.8mA with superimposed communication signal for HART protocol 
* Failure signal:   3.6mA 
* T*0 response time:   <*0 sec
* Resume time:  <*5 sec
* Resolution:   1 uA
* Accuracy:   ±3%F.S.; ±1%F.S. (On request)
* Display :   backlight LCD, LED
* Backlight LCD display :   *-digit gas reading
                                          *0 bar graph display ****0% full scale"
* Unit:   ppm, mA, %,%LEL,%VOL
* Operating temperature: **0~*0°C (According to gas sensor operating conditions)
* Humidity: ****5%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: Ip*6