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Electrochemical Oxygen Sensor Module (S011265/SN) for Crowcon Xgard Series Gas Detectors

Electrochemical Oxygen Sensor Module (S011265/SN) for Crowcon Xgard Series Gas Detectors

The Crowcon S011265/SN Oxygen Sensor Module is a factory-calibrated electrochemical sensor designed for use with Crowcon Xgard series fixed gas detectors. It measures oxygen concentrations in the range of 0–25% VOL, providing continuous, accurate monitoring of ambient oxygen levels in hazardous industrial and marine environments.

The module includes the electrochemical sensing cell and the SM6323 V3.2 signal conditioning PCB, which supports both 2-wire and 3-wire sensor interfaces. With built-in temperature compensation and robust construction, it ensures reliable performance even under varying environmental conditions, helping to prevent oxygen-related hazards such as asphyxiation or fire risks.
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