H2S-AH Hydrogen Sulphide Sensor

H2S Gas Sensor, Electrochemical, A-Series, 0–50 ppm H2S

Reliable H2S detection for safety-critical monitoring and process control.

Alphasense H2S-AH sensors provide reliable hydrogen sulphide monitoring for industrial safety, portable and fixed gas detection, and process or biogas applications where fast response and stability are critical. The high‑output, high‑resolution H2S-AH sensors are ideal for applications requiring precise low‑ppm H2S measurement.
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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Warranty

H2S-AH

Hydrogen Sulphide (H2S)

A-Series

0–50 ppm H2S

900 to 1500 nA/ppm

<30s

24 months

 

Feature

Benefit

High‑sensitivity 0–50 ppm range

Enables precise low‑level leak detection and tight alarm settings.

High output signal

 Simplifies analog front‑end design and improves signal‑to‑noise ratio.

Portable safety focus

 Well suited for premium personal monitors used in demanding industrial safety applications.

Excellent long-term stability

Supports confident calibration intervals and long service life.

Fast response for rapid alarm triggering

Supports timely alarms in safety-critical environments

Proven stability across temperature and humidity ranges

Delivers consistent performance in real-world conditions

Long operational timeline

Helps reduce maintenance and replacement frequency for OEMs and end users.