All properties
48 Month Warranty
Device and sensors¹
Now even more brilliant
7'' color touchscreen
Simple to use
Switch on – read off – done
Expandable with up to 4 sensors
(Wöhler A 550 only)
Wood moisture measurement
and spillage test
Automatic CO clean out pump
Protects CO sensor
Charges via USB
Intuitive operation
What you see is what you get
Compatible with the Flue Gas Analyzer App
for android and iOS
Data transfer via Wi-Fi
1,000 measurement records
7" color touchscreen
Displays up to 14 values at a glance
Additional Information
Scope of Delivery:
Wöhler A 550 Combustion Analyzer
O2-Sensor
CO-Sensor 10,000 ppm
NO-Sensor 3,000 ppm
NO2-Sensor 3,000 ppm
Magnetic mount
Combustion air temperature probe
Cable hose 10'
Gas probe 11.6"
Changeable gas probe
Clamping cone
USB charger with micro USB cable
Lithium-ion rechargeable battery
Waterstop filter
Coarse filter
Wadding filters (25 x)
Plastic case MAXI
Wöhler TD 100 fast thermal printer
Wöhler A 550 Combustion Analyzer
O2-Sensor
CO-Sensor 10,000 ppm
NO-Sensor 3,000 ppm
NO2-Sensor 3,000 ppm
Magnetic mount
Combustion air temperature probe
Cable hose 10'
Gas probe 11.6"
Changeable gas probe
Clamping cone
USB charger with micro USB cable
Lithium-ion rechargeable battery
Waterstop filter
Coarse filter
Wadding filters (25 x)
Plastic case MAXI
Wöhler TD 100 fast thermal printer
Related products
How to perform a combustion analysis
Further topics:
During the combustion analysis or emission measurement, the efficiency of the oil or gas heating system is checked. Exhaust gas loss is the energy that escapes unused through the flue gas system.
With a modern combustion analyzer, a combustion measurement can be carried out in accordance with the legal requirements.




