GA21 plus

Portable gas analyser

GA21 plus is a portable analyser using advanced technologies. It can be equipped with up to 8 electrochemical and NDIR sensors. The analyser has a built-in pressure sensor, large internal memory for results and built-in ribbon printer for standard (non-thermal) paper.

Optional condensation “miniDryer” completes the offer for our best-selling portable device. plus GA21 as the measurement instrument meets requirements of EN 50379 and EN 50270.

GA21 plus

Technical data

Operating conditionsT: 10°C … 50°C, rH: 5% … 90% (non-condensing)
Storing temperature0°C … +55°C
Input | Maximum consumption90 … 230 VAC | 70 W
Gas pump | gas flowDiaphragm, max 2 l/min (with automatic flow control) | 90l/h (1,5l/min)


  • Differential pressure sensor – for measurements of chimney draft and flow velocity (with help of Pitot tube)
  • Soot measurement programme
  • Measurements of gas and ambient temperatures
  • Built-in large memory for results, two formats of data savings
  • Calculations of many additional parameters

If you have any questions, please do not hesitate to contact our EP-E service team.