SO2-AF Sulphur Dioxide Sensor

SO2 Gas Sensor, Electrochemical, A‑Series, PPM-level

Versatile PPM‑level SO2 measurement for portable and fixed gas detection

The SO2‑AF provides accurate ppm‑range sulphur dioxide monitoring for portable instruments, industrial safety systems, and air‑quality devices. With strong baseline stability and optional smart‑sensor functionality, it supports efficient OEM integration.



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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Zero Current

Operating Life

Environmental

SO2-AF

Sulphur Dioxide (SO2)

A-Series

0–50 ppm SO2

300–550 nA/ppm at 10 ppm SO2

<35 s (0 →10 ppm)

<± 0.6 ppm equiv.

>24 months (warranted)

–30 to + 50°C, 80–120 kPa,15–90 %RH continuous

 

Feature

Benefit

Strong signal response & resolution

High sensitivity enabling precise low‑ppm detection.

Flexible OEM design

A‑Series footprint widely supported.

Optional Smart Sensor (SO2-AF+)

Onboard memory + temperature sensor simplifies calibration.

Excellent stability & low drift

< 0.1 ppm / year zero drift and robust temperature compensation.