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Gastron VOC Gas Detector- GTD-5000F


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VOC Gas Detector- GTD-5000F



Part Number: GTD-5000F


  • Continuous detection of VOC gas 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 gas leakage with a high efficient pump inside
  • Low concentration VOC gas detection by PID sensor
  • 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 (Current source or Sink) output signal
  • Easy configuration of monitoring by RS-485 Modbus
  • 3-wire connection for signal & power
  • 2-stage alarm, 1-trouble display and relay contact output
  • Calibration and maintenance by one-man


Measuring gas

VOC gases (Benzene, Toluene, Xylene & etc)

Measuring type

Auto Sampling type

Measuring method

Photo-Ionization Detector (PID) or Semiconductor cell

Measuring range

0 ~ 300ppm

Response time

Varies by gas


±3% / Full Scale

Parameter control

Non intrusive control with a Magnet bar (calibration, maintenance, alarm setting)

Measuring value display

FND Display(4-Digit)

Operating temperature 

-40°C ~ +60°C



Output signal

Analog : 4-20mA Analog Output


Maintenance signal : 4mA


Calibration signal : 3mA


Fault signal : 0mA


Digital : RS-485 Modbus(Option)

Sampling method

Diaphragm Pump


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