CO gas detector CO2 H2S Gas alarm H2 gas transmitter 4 to 20ma output 485 protocol HART protocol Combustible gas detector Toxic and harmful gas detector

SEN series smart gas transmitter changes the gas concentration into standard 4~20mA current source signal, Online free parking digital free configuration,multi-parameter backlight LCD display, replacement of the sensor, plug and play, International standard fully intelligent with 2-wire smart toxic gas transmitter, 3- wire smart combustible gas transmitter.

SEN series smart gas transmitter with excellent performance, long term stability, easy to install andmaintain, measurement variety of gas. Great to meetthe requirements such as industrial field safety of testing equipment reliability, stability and measurement diversification gas. Our products has beenwidely used in petroleum, chemical, metallurgical, petrochemical, gas distribution transport, biochemical medicine and water treatment.

SEN series gas transmitter can measure a variety of gases and ranges to meet different needs of the site.

Features

4-20mA, standard 2-wire(combustible:3 wire connection) , compatible with existing alarm control unit or DCS
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

Power supply	24VDC (10.5 ~ 45 VDC)
Linear output signal	4~22.8mA with superimposed communication signal for HART protocol , Standard signal: 3.8mA. Failure signal: 3.6mA.
T90 response time	＜30 secretary
Resume time	＜35 secretary
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℃ (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