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Item no. 5996


with O2 / NO / COH / NO2 / SO2

As tough as cast iron, but as easy to operate as a smartphone – that‘s what Wohler‘s new Flue Gas Emssions Analyzer feels like in your hand. A tap of your fi nger on the Wohler A 550 INDUSTRIAL is all that is required to perform a complete analysis and inspection of boilers and burners. The Flue Gas Emissions Analyzer is designed to be used in tough industrial heat processes. The in-stack stainless steel sinter-fi lter probe protects the analyzer against heavy dust loads.

Product benefits

  • 7" color-touchscreen as intuitive to use as a smartphone
  • NOx and SOx emissions measurement with 0,1 ppm resolution
  • In-stack Sinter-filter probe for dust protection
  • Battery-driven peltier cooler device - more than 4 h off-grid operation time
  • High-power sample pump for differential pressures up to 300 mbar
  • Built-in logger function with user selectable configuration

Extremly reliable

  • Effective dust and condensate protection
  • 4-filter technology – easily accessible
  • Analyzer and sensor diagnostics
  • Sensor replacement – user-friendly
  • Rechargeable battery operating time: more than 12 h with Lithium Ion power
  • Hose assembly – robust and flexible

Huge range of applications

  • Expandable with up to 5 sensors
  • For measurements: NO, NO2, SO2
  • Probe for a variety of measurement tasks
  • In-stack sinter-filter for heavy dust loaded samples

Simple data management

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

Comparison Chart

A 550 L
A 550
A 550 Industrial
Manifold and Differential Pressure
Tuning Guide
Data Management
CO2 (0...21%)
CO 0...35,000 ppm 0...4,000 ppm 0...100,000 ppm
CO high   0...100,000 ppm  
NO (0...3,000 ppm)
SO2 (0...5,000 ppm)  
NO2(0...1,000 ppm)  
Stack Temperature -4...1,472 °F -4...1,472 °F  
Supply Air Temperature -4...212 °F -4...212 °F  
Differential Pressure 44.16 inWC 44.16 inWC  
Operation Features      
Full Color Display
Infrared port for printer
Bluetooth® port for computer  
Safety Features      
Warranty 48 months 48 months 12 months
Self Diagnosis for Sensors and Instrument
CO-valve and CO purge-pump    
4 Filter Technology
Filter and Pump Monitor
Field Replaceable Sensors and Longtime Sensors F/L F/L F/L

Wöhler A 550 INDUSTRIAL 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

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