Wohler A550 Industrial Flue Gas Analyzer

with O2 / NO / COH / NO2 / SO2

Wohler A550 Industrial Flue Gas Analyzer
A rugged and yet simple to operate instrument – that’s what Wohler’s new flue gas analyzer feels like in your hand. Appropriately, the advantages are equally substantial: A tip with your finger on the Wohler A550 is all that is required to perform analyses, inspections and settings on residential and commercial appliances. The flue gas analyzer is equipped with coded connections for the 4 Pa test and even NEW AND UNIQUE a wood moisture content measurement function to VDI Guideline 4206 (VDI = Association of German Engineers).


  • Simple to use: Switch on – read off – done
  • Large, color touchscreen: Displays multiple values (up to 14) measurement and calculation values
  • Highly intuitive to operate via on-screen keyboard
  • Calibrate in the flue gas pipe via a fresh air pump (Wohler A550)
  • Graphic hot spot search

flue gas analyzer


  • Effective condensate protection
  • Automatic CO clean out pump protects CO sensor (Wohler A550)
  • 4-filter technology – easily accessible
  • Analyzer and sensor diagnostics
  • User friendly sensor replacement
  • Rechargeable battery with a 12 hour operation time
  • Robust and highly flexible hose assembly


  • Expandable with up to 5 sensors
  • For measurements: NO, NO2, SO2
  • Insertion probe for a variety of measurement tasks
  • Spillage Test and much more
  • First flue gas analyzer incl. wood moisture content measurement (wood moisture probe included in scope of supply of Wohler A550)


  • 1,000 measurement records
  • Data transfer via USB, Bluetooth or infrared


Wohler A550 Industrial Flue Gas Analyzer with O2, NO, COH, NO2, SO2, Bluetooth-, USB- and IR, Hose 3,0 m and Modular Probe 1000 mm with sinter filter, Flue Gas Temperature Probe, USB-Charger with Micro-USB-Cable, Li-Ionen Battery, Waterstopp Filter, Plastic Case.