INFORMATION SHEET
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The GDA 2528 Oxygen gas sensor is a 2 wire 4-20 mA Loop Powered device with a range of 0-25% vol Oxygen. It has an electrochemical gas sensing unit which is temperature compensated and easily replaceable.

Designed, manufactured and supported locally in Australia.

The gas sensor element is on a pluggable lead allow ease of replacement. The oxygen gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. The sensor head is fitted with a splash proof cover giving an IP53 rating.

  • 0-25% Vol Range (Other ranges on request)
  • 4-20 mA o/p (For Voltage Output see the GDA 2628)
  • Low cost replaceable gas sensor element
  • Easy to install
  • Easy to calibrate (only gas and multimeter required)
  • ABS sun tolerant IP56 housing with sensor element IP53
  • Australian Factory Certificate of Calibration

Important Note: Acid gases such as CO₂ and SO₂ will be absorbed by the electrolyte and tend to increase the flux of oxygen to the electrode. This gives an enhanced oxygen signal of approximately 0.3% of signal per 1% CO₂. GDA oxygen sensors are not suitable for continuous operation in concentrations of CO₂ above 25%.

Made in Australia and Supported in Australia


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Meets the requirements of AS5034-2005

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Specification NameSpecification Value
Detectable GasesOxygen (O₂)
Detectable Gas Ranges0-25% vol
Maximum Overload30% vol Oxygen
Power Requirements+24 VDC
Output Types4-20 mA Loop Powered
Power Consumption<25 mA @ 24 VDC
Output SpecificationsMax loop impedance 680 Ω @ 24 VDC
Connection3 pin plug connector
Wiring2 core 18 AWG with overall screen
Operating Temperature10°C to 50°C (LT version -30°C to +10°C) Accuracy varies outside of range
Operating Humidity5% to 95% RH peak non condensing
Operating Pressure800 to 1200 mbar
Accuracy of Reading± 3% of full scale reading in standard operating environment
Warm Up Time30 seconds
Response TimeT90 = 45 seconds at SATP
Zero Drift< 0.1% / 30 days
Calibration Drift< 0.25% / 30 days at SATP
Sensor TechnologyElectrochemical Cell
Calibration RequirementAnnually with 6 monthly functional tests if sensor operated at SATP.
Warranty12 months from date of dispatch
Dimensions155 x 130 x 70 mm (H, W, D)
Enclosure MaterialABS plastic & Brass C385
Enclosure RatingIP56 with sensor element IP53
Cable EntryUser provided

GDA 2528 Oxygen (O₂) Gas Sensor

  • GDA 2528 Fixed Gas Sensor Trasmiter & Module
  • User Manual
  • Australian Factory Certificate of Calibration
Part Number Range Replacment Sensor Module
2528-001 0-25% Vol 2528-002

 

Accessories

Part Number Image Description
GC01-001 Gassing Cap with 500mm Length vinyl tubing
2500-005 4 x 10-24 x 3/4 (T25) Tamper Proof Security Machine Screws for GDA 2500/2600 Series Lid. incl. Wrench Key

 

 

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CALGAS : Calibration Gas

To test and maintain accuracy gas detection systems require regular testing and calibration. GDA can provide you with a complete line of calibration equipment to calibrate all of our gas sensors and detectors. Our calibration gas cylinders all come with N.I.S.T. certification and ISO 17025 approval so you can be confident that you will receive gas with the highest accuracy levels.