Combustion Analyzer


Optimize your combustion efficiency


Product configurator

Gemini™ MxG5xx

Sensor version
Ionization chamber
Emmision current
Flange connection to vacuum chamber
Switching function
Electrical connection
Digital interface
Analog output signal
Your configuration
Gemini™ MxG5xx
Switching functions
Electrical Connection
FCC, 8-pin
Digital Interface
Measurement range
1.2 - 8.68 V
Personal information
Gemini™ MxG5xx
Gemini™ MAG500
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FLUE-Mate is the all-in-one combustion analyzer designed to improve your combustion efficiency and safety. In addition to combustion analysis, this tool is also equipped with an integrated manometer, thermometer, CO test, cracked heat exchanger test and provides draft analysis. FLUE-Mate features intuitive mode selection and navigation, 15 programmable fuel selections and field-replaceable sensors, probes and water traps to minimize downtime. 

FLUE-Mate application photo
FLUE-Mate application photo



The free mobile FLUE-Mate app makes data monitoring, logging, and sharing easier than ever.  Simply download the app via the App StoreSM or Google Play on your smart phone or tablet to view real-time readings.  The app also allows you to share reports using your preferred file sharing method. FLUE-Mate even has the flexibility to generate a QR code that can be scanned for a quick analysis report without the need to connect via Bluetooth®

FLUE-Mate mobile app
FLUE-Mate mobile app

A user-friendly design and mobile app that allows the user to data log and share reports earned FLUE-Mate the 2024 AHR Innovation Award in the Tools and Instruments category! Learn more here.


Learn more about FLUE-Mate

FLUE-Mate Product Video
FLUE-Mate Quick Start Video
Thumbnail FLUE-Mate Product Overview
Thumbnail FLUE-Mate Quick Start Video


  • Easy-to-read backlit LCD display
  • Save and share reports using the FLUE-Mate app on your smartphone or tablet
  • Field-replaceable sensors
  • Upgradeable to measure NOx 


  • Displays efficiency, O2, CO2, CO and flue gas temperature readings all on one screen
  • Monitor system pressures with built-in manometer and hose kit
  • Automatic CO sensor protection
  • QR code for quick analysis reports using the FLUE-Mate mobile app
  • External water trap to prevent internal electronic and sensor damage
  • Sturdy magnetic back 
  • Optional Bluetooth® printer

Typical applications

  • Combustion heating


IncludesFLUE-Mate Combustion Analyzer
Flue gas probe with 5 ft. (1.5 m) dual hose
Manometer pressure hose
Water trap
AC wall charger
Carrying case
Compatible fuels Natural gas
Fuel oil (#2, #4 or #6)
Bio-fuel 5%
Power source Lithium ion battery (rechargeable)
Battery life 8 hours
Weight 0.77 lb. (349 g)
Download full specifications
Part Numbers
Accessories & Replacement Parts
502-202-G1FLUE-Mate Combustion Analyzer, North America
502-203-G1FLUE-Mate Combustion Analyzer with Bluetooth printer, North America
502-202-G11FLUE-Mate Combustion Analyzer, International
502-203-G11FLUE-Mate Combustion Analyzer with Bluetooth printer, International
502-600-P1FLUE-Mate Bluetooth® printer
502-601-P1FLUE-Mate O2 sensor
502-602-P1FLUE-Mate Wall charger (US and International)
502-603-P1Replacement filters (5 pack)
502-604-P1Replacement printer paper rolls (5 pack)
502-605-P1USB cable for charger
502-606-P1Water trap filter assembly
502-607-P1Carrying case
502-608-P1Positioning cone for probe
502-609-P1Replacement O-rings for water trap (5 pack)
502-610-P1Flue gas probe with 5 ft. (1.5 m) dual hose
502-611-P1Pressure hose kit for use with manometer
502-612-P1FLUE-Mate Lithium ion battery
502-613-P1Test port plugs (10 pack)

Apple, the Apple logo, and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App Store® is a service mark of Apple Inc. Google Playand the Google Play logo are trademarks of Google LLC.  The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by INFICON is under license. Other trademarks and trade names are those of their respective owners.

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