Skip to product information
Alphasense O2-A2 oxygen replacement sensor for compatible gas detection instruments using the O2-A2 model.
Before ordering
- Match the O2-A2 model marking on your existing sensor.
- Confirm the connector, dimensions and instrument compatibility.
- If uncertain, contact us with the instrument model and a clear photo of the existing sensor.
Important: Gas sensor replacement and calibration should be performed by a qualified technician. Calibrate and function-test the instrument after installation according to the instrument manufacturer's instructions.
Worldwide standard and express delivery options are available at checkout.