Wöhler A 450 L

Flue Gas Analyzer

Flue Gas Analyzer

This is where Wöhler excels: A reasonably priced flue gas analyzer that offers all measurement and tuning functions. A small and lightweight flue gas analyzer enclosed in an eye-catching, sturdy housing. The Wöhler A 450 is a handheld device with user friendly touchscreen control, displays all measurement data on screen or connect and view on your smart devices.

Compact with a full range of functions

The Wöhler A 450 L device is compact and lightweight by design and is guaranteed to be user friendly. The menu consists of icons similar to those known from smartphones, you simply tap an icon to open the individual menu items.

Wöhler A 450 App

You are able to transmit all measurement data to a mobile device (smart-phones, tablets by Android and iOS) via Wireless LAN. These devices can then display the measurements as numerical values or as a graph in the Wöhler A 450 app. The app gives technicians the option of reading measurements already taken and also the ability to take new measurements through the app. This proves to be beneficial when measuring at points with poor accessibility. The measurement data can be saved in different formats and sent to the customer by email.

Sturdy and smart

The Wöhler A 450 L is a well rounded tool that offers flue gas analysis, draft measurement, burner tuning guide, adjustment tasks on gas and oil systems and even solid fuel fireplaces.

[Translate to International:] [Translate to United States:] Wöhler A 450 L Produktvergleich
1) CO sensors 5,000 ppm or 100,000 ppm 24 months; CO sensor (H2 compensated) 10,000 ppm 48 months; excludes thermocouples, rechargeable battery and optional NO sensor.
Product Comparison
A 450 L
A 450
24 month sensor and analyzer warranty1)  
48 month sensor and analyzer warranty1) 
CO sensor5,000 ppm10,000 ppm
O2 sensor0,0 ... 21,0 vol.-%0,0 ... 21,0 vol.-%
Sensor replacement
Burner adjustment assistant
Setting tasks gas /oil systems
CO-Sensor H2-kompensiert 
Wireless LAN, infrared, USB
Rechargeable lithium ion batteryUp to 6 h operating timeUp to 6 h operating time
Possible sensors33


Large color touchscreen

Displays up to 14 measurement readings

Simple to use

Switch on – read off – done

Condensate protection

Multistage filter technology incl. water stop filter

App included

Android or iOS

Data transmission

By USB, Wireless LAN or infrared

Data Storage

up to 1,000 customer records

Rechargeable battery

Operating time: more than 6 h with lithium ion power

Wöhler A 450 L Flue Gas Analyzer

The Wöhler A 450 L Flue Gas Analyzer is available in different versions and can therefore offer the perfect solution for many applications.

Standard Set
Order no. 5102
Basic unit
Order no. 4703
Standard Set
Order no. 5166
100.000 ppm
Order no. 4672
5000 ppm CO
Order no. 4503
100.000 ppm
Order no. 4979
Professional Set
Order no. 5157
Standard Set
Order no. 5158
Professional Set
Order no. 5159
Professional Set
Order no. 5179
Basic Unit
Order no. 5341
Professional Set
Order no. 5710
Standard Set
Order no. 5709
Standard Set
Order no. 7184
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Our offer is addressed to commercial customers only.