Flame Proof Type Sampling Flammable Gas Detector

Model : GTD-5000F Ex
Gas : Flammable gases
Comm. : 4-20mA, RS-485, Relay
Approval : KCs

Information :

▷ Continuous detection of flammable gases in explosion hazardous area with flame proof structure
▷ Self diagnosis function with built-in Microprocessor
▷ Easy replacement with a cartridge type sensor
▷ Digital flow sensor to maintain regular flow rate
▷ Fast response of VOC gas leakage with a high efficient pump inside
▷ Detection gas from low to high concentration owing to various detection principle
▷ 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 connection for signal & power
▷ 2-stage alarm, 1-trouble display and relay contact output
▷ Calibration and maintenance by one-man


Model GTD-5000F Ex
Measuring gas Flammable gases (LNG, LPG, H2, Methane, Buthane & etc)
Measuring type Auto Sampling type
Measuring method lytic cell   Hot wire semiconductor cell  Thermal conductivity cell
Measuring range 00% LEL 0~2,000ppm  0~100% Vol
Response time < 15sec / 90% scale
Accuracy ±3% / Full Scale
Parameter control Front switch (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 ~ 2,000 ml/min max
Cable/Distance Power + Signal cable : 3-wire > 1.5sq(AWG16) / 1000m max
4 – 20mA DC Signal : 2000m
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