Gas detection just got personal:

Gas Measurement Instruments designs, manufactures and markets a wide range of the highest quality proven personal portable and fixed gas monitoring systems. GMI is an international brand with a worldwide network of distributors and dedicated service centres ensuring fast and effective turnaround on instrument calibration and repair. Our uncompromising engineering excellence, established in over half a century of leadership, enables us to meet the exacting demands of industries where safety is critical. By building and maintaining strong relationships with our customers, GMI understands the unique challenges of the diverse markets we serve. Today, our proud heritage of pioneering gas leak monitors and detectors is shaping the future of GMI.


  • Simple 1-button operation
  • Measures up to 4 gases (LEL/O2/CO/H2S)
  • Audible, visual and vibrating alarms
  • Fully certified
  • Internal pump (optional)
  • Lightweight
  • Sensor integrity checking
  • Robust construction
  • Ease of maintenance

Auto Bump / Calibration Station

  • Simple user interface
  • Full bump, calibration and charging options
  • Bump/calibration results storage
  • Stand-alone, PC or Ethernet options
  • Robust construction