INFORMATION SHEET
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GDA 2000Tx Explosion Proof (IEC Ex) Toxic and Oxygen Gas Detector is certified for use in Zone 1 Hazardous areas within Australia.

Locally Technically Supported by Gas Detection Australia

IECEx Approved

Operating at 24 VDC and gives a 4-20 mA o/p over the range of the oxygen or toxic sensor to which it is calibrated. The gas detector/gas sensor can be programmed and calibrated without opening. The display indicates the gas level reading. It is fitted with a sensor splash cover giving a head IP rating of IP66. The sensor does not have to be opened to carry out a calibration as all programming can be carried out via an external magnetic switch. This allows calibration without a hot work permit.

  • Continuous detection of toxic gases & oxygen in ZONE 1 areas.
  • Flame proof structure Self diagnosis function with built-in Microprocessor
  • Excellent selectivity for toxic gases & oxygen
  • Superior performance for detecting gases below TLV
  • Multi functions with low cost of ownership
  • Built-in back light LCD display
  • Auto calibration and program setting with a magnet bar ( no hot work permit required )
  • 4-20 mA DC output signal
  • Calibration and maintenance by one-man

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Designed, Manufactured and Supported in Australia.

Hazardous Areas (IEC Ex Certified)

IEC Ex approved gas detectors and sensors for use in Zone 1 and Zone 2 areas within Australia for both Toxic and Flammable gases.

Hazardous Areas are areas in which an explosive gas atmosphere is or may be expected to be present, in quantities such as to require special precautions for the construction installation and use of equipment construction, installation and use of equipment. Hazardous areas are classified into 3 zones based upon the frequency of the occurrence and duration of an explosive gas atmosphere, as follows:

  • Zone 0 - Area in which an explosive gas atmosphere is present continuously or for long periods or frequently.
  • Zone 1 - Area in which an explosive gas atmosphere is in which an explosive gas atmosphere is likely to occur in normal likely to occur in normal operation occasionally.
  • Zone 2 - Area in which an explosive gas atmosphere is not likely to occur in normal operation but, if it does occur, will persist will persist for a short period for a short period only.
  • Non hazardous area (safe area) - A non hazardous area is an area in which an explosive atmosphere is not expected to be present.

As per IEC60079-10-1 and AS/NZS 60079.29.2:2016

Specification NameSpecification Value
Detectable GasesO₂ / Toxic gases (CO, SO₂, NH₃, H₂S & etc)
Detectable Gas RangesSee ordering information for gas rangers
Detection TypeDiffusion
Sensor TechnologyElectrochemical Cell, Semiconductor Cell
Response TimeT90 < 45 sec
Accuracy of Reading±3% / Full scale
Operation mode display1-LED (Power)
Measuring value displayLCD display (2-line, 8 characters with back light)
Parameter controlNon intrusive control with a Magnet bar (calibration, maintenance)
Power Requirements18 - 31 VDC (24 VDC normal)
Power Consumption200 mA max @ 24 VDC
Output Types4-20 mA
Connection5 way plug conector
Wiring(CVVS or CVVSB 1.5sq x 3 wires) + Shield
Conduit connectionNPT 1/2”. Optional order: NPT 3/4", M20, M25
Operating Temperature-40°C to 80°C
Operating Humidity5% to 95% RH peak non condensing
Dimensions176 x 136 x 110 mm (H, W, D)
Enclosure MaterialHousing : ALDC, SUS316(Option) / Sensor : SUS316
Weight1.7 kg
Product Description
2000TX-001 GTD-2000Tx 0-10 ppm Formaldehyde (CH₂O) gas detector and transmitter
2000TX-002  GTD-2000Tx 0-25% Vol Oxygen (O₂) gas detector and transmitter
2000TX-003  GTD-2000Tx 0-10 ppm Sulphur Dioxide (SO₂) gas detector and transmitter
2000TX-004 GTD-2000Tx 0-30 ppm Hydrogen Sulphide (H₂S) gas detector and transmitter
2000TX-005 GTD-2000Tx 0-100 ppm Carbon Monoxide (CO) gas detector and transmitter
2000TX-006  GTD-2000Tx 0-75 ppm Ammonia (NH₃) gas detector and transmitter
2000TX-XXX FOR OTHER GASES PLEASE CONTACT GAS DETECTION AUSTRALIA

 

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