Specifications
gas detector 1)Ranges:Sensor dependent 2)Power supply:10.5...45VCD 4)2 wire connection 5)Unit:ppm, mA, %, %LEL, %VOL
Programmable alarm operation value 4-20mA Smart Toxic 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.
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
