Combustion Gas Analyzer

The low-cost, handheld GasProbe is five instruments in one: flue gas analyzer, gas appliance tester, ambient air monitor, draft measurement device and thermometer

Economically priced professional kits (standard or deluxe), long-life VersaPak battery power and user-friendly operation mean extraordinary cost of ownership advantages.


  • Real-time digital readings of O2, CO, CO2, CO/CO2 ratio and stack air temperatures
  • Calculates combustion efficiency of five fuels: natural gas, LPG, light oil, heavy oil and solids
  • Small, compact and lightweight
  • Large, multi-parameter LCD
  • Flashing, wide-angled alarm bar
  • Variable pulsed 70 dB audible alarm
  • Two (2) operational modes: combustion gas analysis and ambient air safety
  • Factory set LOW and HIGH alarm levels for CO and O2
  • Automatic, continuous backlight in low-light conditions
  • Downloadable time and date datalogging
  • Electrochemical sensors
  • Automatic calibration of O2 sensor, sampling pump and pressure sensor on startup
  • External water trap/filter
  • Internal pump filter
  • Simple, intuitive operation


  • Full function self-test verifies sensor, circuitry and battery integrity
  • Continuous battery test and instrument status diagnostics

CO, O2, CO2, CO/CO2, oF/oC  


Excellent Technology Co.
Hong Kong: Tel. (852) 2691 3821    Fax. (852) 2900 2980

China: Tel. (86) 150 1799 2655   Fax. (86) 755 3360 9662