O2-A2 Oxygen Sensor

O2 Gas Sensor, A-Series, 2Y Life

Industry-standard oxygen sensor for industrial safety applications

The O2-A2 is a galvanic oxygen sensor engineered for industrial safety applications, especially in portable gas detection instruments. With a 2-year operational life, it delivers consistent performance in harsh environments. Its bias-free design and 2-pin interface simplify integration, while instant-on capability ensures immediate monitoring without warm-up delay.
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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Interface/Pins

Bias

Lifetime

O2-A2

Oxygen (O2)

A-Series

0-30% O2

80 to 120 µA @ 20.9% O2

<8s (typical)

2-pin galvanic

None

24 months

 

Feature

Benefit

No bias voltage required

Simplifies electronics and integration

Zero warm-up time

Immediate operation on power-up

Fast response time (<8s)

Enables rapid detection of oxygen changes

Wide environmental tolerance

Operates from –30 to +55°C, 5–95% RH, 80–120 kPa

Patent pending leak-free design

Eliminates costly board repairs due to leaks