H2S-D4 Hydrogen Sulphide Sensor

H2S Gas Sensor, Electrochemical, D-Series, 0–100 ppm H2S

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

Alphasense H2S-D4 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-D4 is a miniature H2S sensor for clip‑on personal monitors and other compact portable instruments.
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Key Specifications:

 

Sensor Model

Target Gas

Package Size

Concentration Range

Sensitivity

T90 Response Time

Warranty

H2S-D4

Hydrogen Sulphide (H2S)

D-Series

0–100 ppm H2S

110 to 170 nA/ppm

<25s

24 months

 

Feature

Benefit

Ultra‑compact D‑Series format

Enables slim, lightweight clip‑on and wearable gas detectors.

0–100 ppm detection range

Supports standard H2S safety limits in personal monitoring.

Optimized for portable designs

Complements modern, low‑power personal safety instruments.

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.