INFORMATION SHEET
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The GDA 2626 Ammonia gas sensor is a further enhancement of the GDA 2526 Ammonia gas sensor that allows AC and DC operation. 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 to allow ease of replacement. The gas sensor electronics are housed in a robust ABS sun tolerant plastic enclosure rated IP56; the sensor head and its electronics are housed in a metal enclosure giving it excellent RFI and EMC compatibility. Provides the option of 4-20 mA, 0-10 V, and 0-5 V operation. The additional voltage o/p can be used on BMS systems that use voltage inputs as opposed to current input

  • 0-100 ppm Range (Other ranges on request)
  • 4-20 mA, 0-5 V or 0-10 V o/p
  • Low cost replaceable gas sensor element
  • Easy to install
  • Easy to calibrate (only gas and multimeter required)
  • ABS sun tolerant IP56 housing (sensor element IP22)
  • Australian Factory Certificate of Calibration

Poisoning: GDA sensors are designed to operate in a wide range of harsh environments and conditions. However, it is important that exposure to high concentrations of solvent vapours is avoided, both during storage and operation.

Interference: Long lines of voltage signal cables may act as an antenna causing interference and noise leading to false readings and reduced accuracy.

Made in Australia and Supported in Australia


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Sewage Treatment Plant Monitoring

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Designed, Manufactured and Supported in Australia.

Specification NameSpecification Value
Detectable GasesAmmonia (NH₃)
Detectable Gas Ranges0-100 ppm (Other ranges on request)
Power Requirements+24 VDC (Optional +24 VAC)
Output Types4-20 mA, 0-5 V, 0-10 V (user configurable)
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 -40°C to +10°C) Accuracy varies outside of range
Operating Humidity15% to 90% RH peak non condensing
Accuracy of Reading± 3% of full scale reading in standard operating environment
Warm Up Time30 seconds
Response TimeT90 = 60 seconds at SATP
Zero Drift< 0.1% / 30 days
Calibration Drift< 0.25% / 30 days at SATP
Sensor TechnologyElectrochemical sensor
Calibration RequirementEvery year with 6 monthly functional tests if sensor operated at SATP
Warranty12 months from date of dispatch
Typical Operating Life2 years before requiring sensor head replacement in standard operating environment
Dimensions155 x 130 x 70 mm (H, W, D)
Enclosure MaterialABS plastic & Brass C385
Enclosure RatingIP56 with sensor element IP22
Cable EntryUser provided

GDA 2626 Ammonia (NH₃) Gas Sensor

  • GDA 2626 Fixed Gas Sensor Trasmiter & Module
  • User Manual
  • Australian Factory Certificate of Calibration
Part Number Range Replacment Sensor Module
2626-001 0-100 ppm 2526-002

 

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.