Hydrogen Gas Detection Gadgets

Consider hydrogen gas detection and sensors to be important when experimenting with production and of using the fuel.

Here are some facts:

The gas is colorless and odorless, the lightest of all gases and thus rises.

A concentration of 4% to 75% by volume in air, is potentially explosive. Just like other gases at different level of concentration.

While gassing during charge, Lead–acid storage batteries emit the gas.

If you want something that acts as gas alarms and exhaust fan controllers, browse these Sensors for your safety.

1. SBS Gas Detector

Single And Dual Relay Models AvailableSBS-3660

Specifications1% Concentration energizes a relay which activates your exhaust fan

2% Concentration activates a built-in, pulsating warning alarm

110 VAC; 50/60 Hertz (220 VAC or 12-48 VDC available upon request)

7” L x 4 ¾”W x 2 ½” D

Hydrogen Gas Detection Devices and Gadgets
For Hydrogen Sulfide (H2S) and other gas sensors:
Hydrogen Gas Detection Transmitter


  • 1-6 Gas Sample Draw
  • Simultaneous detection of up to 6 different Gases PPM/LEL detection


  • Personal Single Gas
  • Light Weight
  • LEL, CO, H2S, or O2
  • Audible, visual, and vibration alarms

M2 Series

  • Stand Alone Transmitter
  • Explosion Proof
  • Available for LEL, H2S, CO, O2, and IR (infrared) for LEL and CO2

Mata Cal 2000

  • Calibration Station
  • Automated instrument management for up to 10 instruments (GX-2001 and GX-2003)

Gaswatch 2

  • Single Gas Monitor
  • Fits on your wrist, belt, clothing, or hardhat
  • CO, H2S, or O2 gas
  • Digital LCD display 
  • Vibration, visual and audible alarms
Sparkfun Hydrogen Gas Sensor - MQ-8

Hydrogen Gas Sensor - MQ-8 (SEN-10916)

  • This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm.
  • This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.
  • This sensor comes in a package similar to the MQ-3 alcohol sensor, and can be used with a special breakout board.
  • $7.95 as of February 2014
  • Sold by Sparkfun

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