TIPS

BSM3 HYDROGEN ALARM MODULE

Early hydrogen warning.
Built into your system.

A compact PCB module that detects hydrogen and sends an alarm to your system.

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BSM3 PCB module held between fingertips for an illustrative size reference
Alarm setpoint
500 ppm H₂
Typical current
<100 µA
Module size
20 × 20 mm

Where do you need hydrogen detection?

Conceptual battery pack cutaway with one cell venting; pale-blue gas and H₂ annotation illustrate hydrogen in the off-gas

Battery off-gas detection

Detect early venting inside the pack. Alert your BMS. Alarm within 20 s in a third-party overcharge test.

See the test result
Conceptual pipe flange inside an equipment enclosure with hydrogen rising to BSM3 mounted above; gas color is illustrative

Hydrogen leak detection

Detect leaks inside your equipment. Alert your controller. Tested up to 100% H₂.

See the test results

One alarm.
Your system decides what happens next.

1Hydrogen appears

Battery off-gas

Hydrogen leakage

H₂

2BSM3 alarms

BSM3 module front view

BSM3

Hydrogen alarm module

View BSM3 specifications →
GPIO alarm

3Your system responds

Your BMS / controller

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