CO-B4 Carbon Monoxide Sensor

CO Gas Sensor, Electrochemical, B4-Series, Low-level / ppb to ppm CO monitoring

High-performance CO detection for low concentration environmental air quality and perimeter monitoring.

Alphasense CO-B4 sensors provide high-sensitivity, high-stability carbon monoxide detection for fixed and fenceline gas monitors across industrial safety and air-quality applications.

These 4-electrode, B-Series sized, PPB-level CO sensors are ideal for environmental air-quality and perimeter monitoring. Used with Alphasense’s Individual Sensor Board (ISB) circuitry, it achieves very low noise for fixed air-quality networks. The CO-B4 is the industry standard for ppb CO measurement in environmental air quality instrumentation. A chemical filter is included with CO-B4 sensors to reduce background gas interferents.
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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Warranty

CO-B4

Carbon Monoxide (CO)

B-Series 4‑electrode

0–1,000 ppm

420–650 nA/ppm

<30s

36 months

 

Feature

Benefit

4-electrode baseline compensation capability

Provides high output and low noise for ppb-level resolution and stable performance.

Large electrolyte volume

Handles high humidity and varying environmental conditions in outdoor and fixed installations.

Works with ISB boards

Facilitating easy design and test.