Specifications
Instruction 24-9395
3
Fyrite Pro
2.0  TECHNICAL CHARACTERISTICS
The Analyzer Directly Measures and Displays:
• Ambient Temperature ............................32 to 212 °F (0 to 100 °C)
• Flue Gas O
2
 content ................................0.0 to 20.9% O
2
• Flue Gas Temperature ...........................0 to 999 °F (–18 to 537 °C)
• Flue Gas CO content ..............................0 to 2,000 ppm CO
• Draft ........................................................–9.99 to 27 inWC 
(–9.99 to 67 mb/HPa)
The Analyzer Computes and Displays:
(when the measured oxygen level is below 17.9%)
• Combustion Efficiency ............................0.1 to 99.9%
• Flue Gas CO
2
 content .............................0.1 to a fuel dependent 
 maximum value in %
• Flue Gas CO Air-Free content ...............0 to 9,999 ppm
• Excess Air ...............................................0 to 400%
Fuel Selection: 
(F1 thru F4 denotes the fuel selected as displayed on the LCD)
• Natural Gas (F1)
• Oil #2 (F2)
• LPG (F3)
• Kerosene (F4)
Normal Operating Conditions:
Temperature:
• Analyzer .................................................32 to 104 °F (0 to 40 °C)
• Probe .......................................................1,000 °F max (538 °C) at 
5" insertion
Humidity .......................................................15 to 90% RH, 
Non-Condensing
Power Requirements ....................................Four disposable ‘AA’ Alkaline 
batteries (an optional AC adapt-
er is available that eliminates 
the need for batteries)










