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Wöhler A 550 Flue Gas Analyser

Powerfully simple

As robust as cast iron, but as easy to operate as a smartphone – that's what Wöhler's new flue gas analyser feels like in your hand. Appropriately, the advantages are equally substantial: A tap with your finger on the Wöhler A 550 is all that is required to perform analyses, inspections and settings on residential and commercial appliances. The flue gas analyser 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).
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Wöhler RP 72 Soot test pump

rugged - reliable - established

For measuring the soot level manually
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Rugged and reliable
Long hose
Non centered soot spot

Wöhler DC 410FLOW Pressure differential & flow meter


  • One instrument for measurement of pressure, air flow, temperature and relative humidity
  • Is tested to comply with standards for 'Ventilation for buildings – test procedures & measuring methods for handing over installed ventilation and air conditioning systems'
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Multi-functional
Highly accurate
Technician friendly
Tested to comply with standards

Wöhler CM 220 CO-Meter


  • Measurement of CO concentration in the ambient air
  • Test CO leakage from furnaces, water heaters, stoves
  • MWC-Value-Measurement (Maximum Workplace Concentration)
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Precise electrochemical sensor
Calculation of the MWC-value
Visual and acoustic indicators
Easy operation-one button, manual zero

Wöhler DP 600 Leakage Tester


  • Tightness testing with leakage rates up to 200.00 m³/h
  • Tightness testing of all chimney classes and flue gas systems
  • Tightness testing of flue gas systems of combined heat and power plants
  • Confirmation of a sufficient combustion air supply according to TRGI sheet G 625 (simple and detailed procedure)
  • Stove tightness testing
  • Tightness testing is also possible with negative pressure
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Tightness testing
Extended pressure range
Tightness classes preset
4 / 8 Pa-Test

Wöhler A 450 Flue Gas Analyser


the new compact class

This is where Wöhler excels: A reasonably priced flue gas analyser that offers all measurement and tuning functions. A small and lightweight flue gas analyser enclosed in an eye-catching, robust housing. The Wöhler A 450 is a handheld device with a user friendly touchscreen. Simply display all measurement data on the large screen, or connect the device and view the results on your mobile devices.
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Flue Gas Analysis App
Chart of all parameters
Automatic calculation
620 g

Wöhler DM 602 Digital Manometer

The Wöhler DM 602 Digital Manometer with the illuminated display is the perfect all-round device for differential pressure and temperature measurements. It is particularly suitable for setting the gas pressure on gas fireplaces, for measuring the fan differential pressure as well as the chimney buoyancy. With its high-quality 3 bar pressure sensor, robust housing and extremely responsive display, the device will become the craftsman's constant companion in the long term. It can be operated very easily at the touch of a button. If desired, settings can also be made in the device
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3.000 mbar measurement
Several connections
Illuminated display
Integrated magnets

Wöhler S 100 Smoke Stick

The Wöhler S 100 Smokestick is an essential tool for visualising air flows! It features easy smoke generation and a convenient, replaceable smoke tank, making it a dependable choice for identifying leaks in and around buildings. With its battery operation and a smoke tank that lasts up to 900 seconds, you can count on its durability and efficiency.
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Easy smoke production
Interchangeable smoke tank
Battery operation