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O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
Specifications
Brand Name :
Alphasense
Model Number :
O2-A3
Place of Origin :
UK
MOQ :
1
Payment Terms :
L/C, D/A, D/P, T/T, ,
Delivery Time :
3-5workingdays
Price :
Negotiable
Supply Ability :
5000PCS
Packaging Details :
Standard packaging
Load resistor :
47 To 100
Storage period :
6
Humidity range :
5 To 95
Temperature range :
-30 To 55℃
Pressure range :
80 To 120kpa
Weight :
<16.5g
Description

O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field

Application Scenarios:

  • Safety Applications: Since it can accurately measure oxygen concentration and has good environmental adaptability, it is suitable for use in places where ensuring the safety of personnel in terms of oxygen levels is crucial, such as mines, confined spaces, and industrial plants.
  • Medical Field: Although specific medical applications may require further adaptation and compliance with relevant medical standards, it can potentially be used in some medical gas - related equipment like oxygen concentrators, oxygen analyzers, medical gas alarm systems, and anesthesia machines.
  • Air Quality Monitoring: To monitor the oxygen content in the air, which can provide data support for environmental research and air quality assessment.

Electrical and Mechanical Considerations:

  • The sensor is a plug - in replacement sensor for hand - held gas detectors that use an O2 - A3 sensor.
  • Manufacturers do not recommend soldering to the pins. Pin sockets can be purchased from Andon distributors. Users can click on the relevant link on the distributor's website, select the brand PDF, find the sensor, and then search for the Andon part number for the sensor's socket.

Warranty & Lifespan Warranty Period 3 - year warranty
Expected Operating Life

Operates for over 36 months until output reaches

85% of original at 20.9% O₂; Output change < 2%

over 3 months
Response Time t90

< 15 seconds (e.g., for 20.9% to 0% O₂ change

with 47W load resistor)
Environmental Resistance Humidity Resistance

< 0.7% humidity affect; Continuous operation: 5 - 95% rh

(non - condensing); Short - term: Up to 99% rh

(non - condensing)
CO₂ Sensitivity < 0.1%
Pressure & Temperature Dependence

Good performance in varying pressure conditions; Ideal

for safety apps (vs partial pressure sensors)
Measurement Range Oxygen Concentration 0.1 - 20.9% O₂
Output Characteristics Output Current (22℃, 20.9% O₂) 55 - 85 μA
Zero Current Output (0% O₂, 99.99% N₂, 22℃) < 2.5 μA
Linearity 0.6% O₂ deviation at 10% O₂
Output Drift < 1% change in 3 months
Physical Specifications Size Diameter: 20mm; Overall dimensions: 17.4 mm x 20.3 mm
Application Scenarios

Safety (mines, confined spaces, etc.); Potential medical

gas - related equipment (with adaptation);

Air quality monitoring
Electrical & Mechanical Replacement & Soldering

Plug - in for hand - held gas detectors using O2 - A3;

Not recommended to solder pins; Pin sockets

available via Andon distributors
Brand & Design Technology & Advantage

Capillary flow control; Lead - free, longer lifetime than

lead - based sensors; Minimizes leaks, reduces

mid - contract servicing;

Part of Alphasense ‘D’ family, available in different sizes

O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field

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Product Detail
Brand Name :
Alphasense
Model Number :
O2-A3
Place of Origin :
UK
MOQ :
1
Payment Terms :
L/C, D/A, D/P, T/T, ,
Delivery Time :
3-5workingdays
Contact Supplier
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O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field
O2-A3 Oxygen Gas Sensor for Safety Applications Medical Field

ShenzhenYijiajie Electronic Co., Ltd.

Verified Supplier
5 Years
guangdong, shenzhen
Since 2006
Business Type :
Manufacturer, Trading Company
Main Products :
Oxygen Gas Sensor, Electrochemical Gas Sensor, Gas Sensor
Total Annual :
900000-1000000
Employee Number :
50~80
Certification Level :
Verified Supplier
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