Gasman Single Gas Detector




Customize your Gasman with additional parts and accessories

The Gasman portable gas detector is a lightweight , rugged gas detector with a display. This Portable gas detector can be supplied in several different gas versions and includes a loud audible alarm with data event logging kit. Available units are rechargeable. Contact DOD Technologies for details on portable gas detection products.

Charger Sold Separately. 




Gasman User Manual

USA Gasman Datasheet

Gasman Single Gas Detector

Gasman is a range of rugged, compact single gas personal monitors designed for use in the toughest environments. Its stunningly compact and lightweight design makes it ideal for use in industries such as oil and gas, chemical plants (with exotic gases), steel works (special CO sensor), hospitality (CO2) and waste and water works.

Weighing just 130g, it is extremely durable, with high impact resistance and dust/water ingress protection, loud 95 dB alarms, a vivid red/ blue visual warning, single-button control and an easy-to-read, backlit LCD display to ensure clear viewing of gas level readings, alarm conditions and battery life. Data and event logging are available as standard, and there is a built-in 30 day advance warning when calibration is due.


  • Tough polycarbonate housing – protects you in the harshest environments
  • Water and dust resistant to IP65
  • Full overmoulding – high impact resistance

Effective warning

  • 2 levels of instantaneous alarm and TWA alarms for toxic versions – ensures prompt evacuation from hazardous zone
  • 95dB audible alarm
  • Vivid twin red/blue visual alarm – if ambient noise is high, Gasman alerts you by vibrating and with the high impact blue/red LED alarms
  • Internal vibrating alarm


  • Versions available for flammable gas, oxygen and toxic gases – gas detector tailored to your requirements
  • Rechargeable versions for all gas types
  • Non-rechargeable versions for oxygen and toxic gases
  • Real-time TWA and peak display options
  • Fully interchangeable intelligent sensor modules

User friendly

  • One button operation – quick and easy to use
  • Backlit display for gas diagnostics and operating status – easy to read
  • Ultra lightweight; just 85g for toxic versions – comfortable to wear

Additional information

Weight .5 lbs
Dimensions 5 × 3 × 2 in

0-100% LEL Methane, 0-100% LEL Propane, 0-100% LEL Pentane, 0-100% LEL Ethylene, 0-100% LEL Hydrogen, 0-25% Vol. Oxygen, 0-100ppm Hydrogen Sulfide, 0-250ppm Hydrogen Sulfide, 0-500ppm Carbon Monoxide, 0-1500ppm Carbon Monoxide, 0-20ppm Chlorine, 0-100ppm Ammonia, 0-1000ppm Ammonia, 0-20ppm Sulfur Dioxide, 0-1ppm Ozone, 0-20ppm Nitrogen Dioxide, 0-2000ppm Hydrogen, 0-30ppm Hydrogen Cyanide, 0-5ppm Phosphine, 0-10ppm Hydrogen Fluoride, 0-1 ppm Fluorine, 0-1ppm Phosgene, 0-1ppm Chlorine Dioxide, 0-100ppm Nitric Oxide, 0-10ppm Ethylene Oxide