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GA-21Plus Portable Flue Gas Analyser

Quality, Best Priced Analyser in its class 

Madur logo

Compliant to EN 50379 and EN 50270

  GA 21 Plus 1   GA 21 Plus 5    GA 21 Plus 8  

Main features

  • Available in soft or hard case
  • Equipped with up to 7 electrochemical cells
  • Equipped with up to 2 NDIR sensors
  • Built-in 58mm ribbon graphic printer
  • Built-in rechargeable battery for up to 7 hours of operating
  • Peltier “miniDryer” with a peristaltic pump for condensate removal (optional)
  • Probe holder with a standard M30x1 fitting, fits all madur gas probes with the K-type thermocouples
  • Gas filter with condensate trap and replaceable insert
  • Differential pressure sensor - for measurements of chimney draft and flow velocity (with help of Pitot tube)
  • Soot measurement program
  • Measurements of gas and ambient temperatures
  • 2 additional inputs for extra temperature sensors
  • Analogue outputs (0/4-20mA or 0-10V) - optional
  • Built-in large memory for results, two formats of data savings
  • Calculations of many additional parameters
  • Firmware for gas calibrations


Optional Features 

  • MicroSD card for saving to .CSV files
  • Bluetooth comms for use with PC or Android using TabCom APP
  • Optional 4-20mA outputs are possible 
  • GA 21 Plus with 4 20mA outputs


Soft Or Hard Case

GA 21 Plus soft or hard case

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