CO-A4F Carbon Monoxide Sensor

CO Gas Sensor, Electrochemical, A4-Series, Low-level / ppb to ppm CO monitoring

High-performance CO detection for environmental air quality, perimeter monitoring and process.

Alphasense CO-A4F sensors provide high-performance carbon monoxide detection for portable and fixed gas monitors across industrial safety and air-quality applications.

These 4-electrode, A-Series sized, ppb-level CO sensors are ideal for portable air-quality and low-level monitoring. They come standard with an internal filter that reduces interfering gases.
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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Warranty

CO-A4F

Carbon Monoxide (CO)

A-Series 4‑electrode

0–500 ppm

220–410 nA/ppm

<30s

24 months

 

Feature

Benefit

4-electrode baseline compensation capability

Delivers ppb-level sensitivity for air-quality and low-level CO monitoring. 4th electrode supports baseline compensation over wide environmental conditions.

Specialized chemical filter

Helps reduce cross-sensitivities from other gases in portable environmental instruments.

Widely used in portable air-quality instruments

Proven performance in global ambient and environmental air monitoring networks.