AlphaSense O2-A3 Oxygen Sensor

O2-A3 oxygen sensor
Regular price $39.00 USD Sale price

Compare at $69.00 USD

POs or wholesale quantity discounts click here

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

Sensor Pin Sockets - Manufacturers do not recommend soldering to the pins. Pin sockets can be purchased from Andon distributors. Click here to search for your sensor's socket. Select the brand PDF, find your sensor, then search for the Andon part number for your sensor's socket.

Customer Reviews

Based on 6 reviews
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K
K.S.
worked good

Plugged in and worked with out a problem.
Make sure you get the exact same thing.

S
S.M.
replaced my bacharach o2

i own the bacharach fyrite intech combustion analyzer and this o2 sensor fit like a glove. after rebooting it self calibrated and works great.
thanks!

B
B.S.
Great service

Great service, great website, great timely shipment and arrival. Very happy with the order.

G
G.F.
Replacement Oxygen Sensor

The sensor was an exact replacement and works great.
Fast shipping too!

G
G.R.
Nice!

Fast shipping,packaged very well. Product as described

"Swift response and shipment. The product is easy to setup and use. It is just what I was looking for."

- Shima Tomohiro

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