Flame Proof Type Sampling Infrared Gas Detector

Model : GTD-5000F IR
Gas : Flammable, CO2, CO, N2O
Comm. : 4-20mA, RS-485, Relay
App. : KCs


  • Continuous detection of flammable, CO2, CO and N2O gas in explosion hazardous area with flame proof structure
  • State-of-the art infrared detection principle
  • Operation in non oxygen environment
  • Digital flow sensor to maintain regular flow rate
  • Fast response detection of gas leakage with a high efficient pump inside
  • Self diagnosis function with built-in Microprocessor
  • Fast response time(<3 sec)
  • Stable quality and proved detection principle for service life
  • Auto calibration and program setting with a magnet bar
  • 4-digit digital gas concentration display
  • 4-20mA DC output signal
  • Easy configuration of monitoring system by RS-485 Modbus isolated serial data communication(Option)
  • 3-Wire Type
  • 2-stage alarm, 1-trouble display and relay contact output
  • Calibration and maintenance by one-man



Model GTD-5000F IR
Measuring gas Hydrocarbon gases (LNG, LPG, Methane, Buthane & etc) CO2   CO, N2O
Measuring type Auto Sampling type
Measuring method Infrared type
Measuring range 0~100% LEL        0~5000ppm           0~100% Vol   0-2.0% Vol 0-5.0% Vol, 0~4000ppm
Sensor life time Over 5 years
Response time < 6sec / 90% scale, < 3sec / 50% scale
Accuracy ±3% / Full Scale
Parameter control Non intrusive control with a Magnet bar (calibration, maintenance, alarm setting)
Operation mode display Alarm / Trouble LED , Flow rate
Measuring value display FND Display(4-digit)
Alarm signal output 250V 1A / 3-SPST relay contact (2-stage alarm, 1-trouble)
Output signal Analog output : 4-20mA DC
Digital output : RS-485 Modbus(Option)
Sampling method Diaphragm Pump
Sampling line OD 1/4 “(Standard)
Flow rate 0 ~ 1000 ml/min Max
Cable/Distance Power + Signal cable : 3-wire > 1.5sq(AWG16)
4 – 20mA DC Signal : 500m
RS-485 Modbus Signal : 1000m
Conduit connection G. Rc. NPT 1/2″ & 3/4″ (G 3/4″ : Standard)
Mounting type Wall mount
Operating temperature -20℃ ~ +60 ℃
Operating humidity 5 to 99% RH (Non-condensing)
Operating power Standard : 18 ~31V DC (24V DC normal) / 600mA max
Material ALDC
Dimensions 226.3(W) × 154(H) × 238(D) mm
Weight 5kg
Approval Explosion proof type (Ex d IIC T6, IP65) KCs