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. |
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Technical Datasheet
Application Notes
- Health and Safety Information
- Protecting and Handling Oxygen and Toxic Sensors
- Pressure Changes Can Cause False Alarms
- Design Considerations in Gas Sampling
- Intrinsic Safety Information for Approvals
Safety Documents
Related Products
- Accessories
- 4-20mA Digital Board
- O-Ring
- Dust Filter
- Gas Hoods
- Frequently bought together
- Other 4-gas monitor gas sensors: CO, O2, LEL
- Other 5-gas monitor gas sensors: CO, O2, LEL, PID
- Other related H2S sensors in the Alphasense portfolio:
- H-Series, 2-gas: COH-H2
