AlphaSense O2-A3 Oxygen Sensor

The AlphaSense O2-A3 oxygen sensor is a plug-in replacement sensor for hand-held gas detectors that use an O2-A3 sensor.  Verify the sensor you are replacing has AlphaSense O2-A3 printed on the side before ordering. Due to our low prices we cannot accept returns for the wrong sensor. Features 0.1 to 20.9% oxygen sensor Does not require calibration Up to 3 year lifespan Small, compact and maintenance free Measurement Range: 0.1-20.9% Oxygen Output @ 20.9% Oxygen: 60-85 uA Output @ 0% O2: < 2.5 uA Response Time: < 15 sec. t90 (s) from 20.9% to 0% Linearity: 0.6% O2 deviation @ 10% Output drift: < 1% change @ 3 months Operating life: > 36 months until 85% original Output of 20.9% Electrical/Mechanical Dimensions (sensor): 17.4mm x 20.3mm Warranty 90 days. See terms and conditions.  Data Sheet (pdf)  Voltage Output for Applications (pdf) Sensor Pin Sockets - Manufacturers do not recommend soldering to the pins. Pin sockets can be purchased from Andon distributor