O2-A1 Oxygen Sensor

Oxygen Gas Sensor, A-Series, 1Y Life

The O2-A1 is a galvanic oxygen sensor designed for high-sensitivity applications where sensitivity is critical. Ideal for portable gas detectors and industrial safety instruments requiring rapid response and the highest sensitivity.
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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Interface/Pins

Bias

Lifetime

O2-A1

Oxygen (O2)

Standard A-Series design, lead-based

0-30% O2

190 to 240 µA @ 20.9% O2

<8s (typical)

2-pin galvanic

None

12 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