ASAIR AO-09 Oxygen sensor

(1 customer review)

Out of stock

Approx Restocking Date: 27th July, 2024
SKU: 1290200

 2,149.00 (Incl. GST)

Out of stock

Free Delivery above ₹499
Free Delivery
above ₹499
1 Year Warranty
15 Days Warranty
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Brand: ASAIR
Category: Gas and Dust Sensor

AO-09 is the oxygen sensor of Aosong Electronics. Offering long life and fast response, the high-quality AO-09 replacement sensor incorporates a molded body design, specific for medical use. Best of all, the AO-09 costs less than the sensors it replaces, creating additional saving while providing superior quality.


AO-09 Medical Oxygen Sensors are intended as an oxygen-sensing component of an oxygen analyzer that measures oxygen concentration in breathing gas mixtures in the following applications:

  1. Sensing device for oxygen
  2. The control device of oxygen concentrators
  3. Medical ventilators
  4. Anesthesia equipment
  5. Incubators


  1. Meets ISO 80601-2-55
  2. Linear output from 0% to 100%
  3. No external power supply
  4. Temperature compensation
  5. Excellent signal stability
  6. Accurate and reliable
  7. Fast response
  8. Anti-interference
  9. Long-lasting


  1. Temperature Compensation <2% O2 equivalent(0℃-40℃)
  2. External Load Resistor ≥ 10 kΩ
  3. Connector 3P2.5
  5. Housing Material White ABS
  6. Weight 36 g (nominal)
  7. Orientation Any
  8. Influence of Mechanical Shock < 1 % relative after a fall from 1 m


  1. Typical Applications: Critical care anesthesia
  2. Operating Temperature Range: 0℃ ~ +50℃
  3. Operating Pressure Range: 0.5 Bar – 2.0 Bar
  4. Operating Humidity Range: 0% to 99% RH noncondensing

Useful Link:

Packages Includes: 

1 x ASAIR AO-09 Oxygen sensor

SKU: 1290200 Category:


Operating Principle

Partial pressure electrochemical


9 mV to 13 mV in 210 mBar O2

Measurement range

0 – 100 Vol.% O2

Response Time(s)

(T 90 ) <15


meets ISO 80601-2-55 requirements

Cross interference

meets ISO 80601-2-55 requirements

Shipping Weight 0.046 kg
Shipping Dimensions 8 × 7 × 3 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 1 review

4.0 overall

Add a review

  1. ashokdevices (verified owner)

    Good One. not sure about the long time stability, Tested for 3 Months and works fine.



Circuit Diagram to interface sensor

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Country Of Origin: China