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SRX-CA32 % Oxygen Sensor - Replaces GPR-11-32 % Oxygen Sensor
SRX-CA32 % Oxygen Sensor is a direct replacement to AII Model GPR-11-32 % O2 sensor, used in GPR-2500, GPR-2600 and GPR-28 analyzers. 32 months sensor life in air. Its signal output range is 40-60uA in air at ambient temperature. Its proprietary electrolyte formulation ensures full utilization of Pb…
Technical information
Product details
Technical overview
SRX-CA32 % Oxygen Sensor is a direct replacement to AII Model GPR-11-32 % O2 sensor, used in GPR-2500, GPR-2600 and GPR-28 analyzers. 32 months sensor life in air. Its signal output range is 40-60uA in air at ambient temperature. Its proprietary electrolyte formulation ensures full utilization of Pb anode, thus providing longer life without signal drift and minimizing periodic calibration requirement. Sensor is designed, developed and manufactured in the USA.
Applications and guidance
Advanced Sensor Technology
The AST Model SRX-CA32 % Oxygen Sensor is designed for accurate oxygen measurement in industrial and process applications. It utilizes galvanic micro fuel cell technology specifically engineered for oxygen, thereby delivering reliable and stable performance.
The SRX-CA32 % oxygen sensor serves as a direct replacement for Analytical Industries GPR-11-32 % oxygen sensors. As a result, users can integrate it seamlessly into existing systems, including the model GPR-2500, GPR-2600, and GPR-28 analyzers, without requiring any modifications.
The sensor also incorporates a super-activated anode with a unique geometry, which enhances linearity, accuracy, and overall stability. Furthermore, its proprietary lead (Pb) anode structure maximizes anode utilization while minimizing signal drift. As a result, the sensor maintains consistent performance even under varying ambient conditions and reduces the need for frequent span calibration.
To ensure reliability, AST subjects every sensor to rigorous validation procedures, including output verification and a 24-hour stability testing. Consequently, each unit meets strict performance and quality standards prior to shipment.
CAUTION:
- Users must verify AST oxygen sensor’s compatibility with their intended equipment before installation.
- Although the sensor offers enhanced stability, users should calibrate it as recommended in the owner’s manual of the analyzer.
Finally, AST designs, develops, and manufactures its sensors in the United States, thereby ensuring high standards of quality, consistency, and reliability
AST Model SRX-CA32 Replacement
- Analytical Industries Inc., GPR-11-32 % oxygen sensor
Specifications and compatibility references
Application support
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Send the existing sensor or analyzer model and AST will help confirm the correct replacement.




