H2S-H4 Hydrogen Sulphide Sensor

H2S Gas Sensor, Electrochemical, H-Series, 0–50 ppm H2

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

Alphasense H2S-H4 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 H2S-H4 is an H‑Series H2S sensor ideal for compact instruments needing robust performance in harsh environments.



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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Warranty

H2S-H4

Hydrogen Sulphide (H2S)

H-Series             

0–50 ppm H2S

110 to170 nA/ppm

<60s

24 months

 

Feature

Benefit

Compact H‑Series housing

Enables streamlined instrument designs for portable or fixed gas monitors.

H2S‑specific electrochemistry

Provides selective detection for industrial and oil & gas environments.

Fast and stable response

Supports accurate alarming in worker safety and area monitoring applications

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 lifetime

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