Click for Purchase Information

Budget-Friendly, Feature-Filled Combustion Analyzer

Fyrite® InTech™ - Residential Combustion Gas Analyzers

The Fyrite® InTech® residential analyzer is a next generation redesign of our popular Tech 50/60, developed on the proven INSIGHT® platform to include more features with a lower cost of ownership. It provides rugged, reliable, long-running performance in a light, handheld unit - offering service technicians the easiest and most affordable way to gain the benefits of electronic-combustion testing.

B-Smart® pre-calibrated CO sensors (0-2,000 ppm), 6 pre-programmed fuels including propane (10 for EU version), and a high-contrast graphic display, with backlighting, make the Fyrite® InTech® a feature-packed, easy-to-use instrument. Its internal memory is capable of storing up to 10 complete records, which can also be printed via an infrared printer using an optional reporting kit.

The instrument is also offered in various reporting kit configurations as well as an O2 only model.

Fyrite® InTech® Reporting Kit:

  • CO, O2
  • Includes printer, rubber boot, probe, 8 AA batteries, hard-carry case, USB cable, Fyrite® User Software, spare filters



Fyrite® InTech® Features:

  • High-contrast, backlit LCD display
  • Combustion and efficiency analyzer - 6 pre-programmed fuels (10 for EU version)
  • Direct measurement of O2, CO (0-2,000 ppm), stack and ambient temp.
  • Calculated measurement of combustion efficiency CO2, CO (air-free) and excess air
  • Easy access to sensors
  • New B-Smart® technology for in-field pre-calibrated sensor replacement
  • O2 and sensor life indicator
  • Calibration reminders
  • Fyrite® User Software (PC) and reporting package (optional)
  • Customize printed reports with your company name and logo
  • Software updates
  • Internal storage for up to 10 complete test records
  • Print data via optional wireless printer


  • Measurement Ranges:
    • Ambient Temperature: 23° F to 113° F (-5° C to 45° C)
    • Flue Gas Temperature: -4° F to 1,202° F (-20° C to 650° C)
    • Oxygen (O2): 0.0% to 20.9%
    • Carbon Monoxide (CO): 0 - 2,000 ppm
  • Calculated Ranges:
    • Combustion Efficiency: 0.1 to 100%
    • Carbon Dioxide (CO2): 0.1 to a fuel dependent maximum (in %)
    • Carbon Monoxide (Air-Free): 0 to 9,999 ppm
    • Excess Air 0 to 250%
  • Selectable Fuels:
    • 6 pre-programmed: Natural Gas, Oil #2, Oil #6, Kerosene, B5,
      and propane/LPG | (10 fuels available with Siegert version)
  • Data Capacity: Up to 10 complete records, internal storage
  • Dimensions: 8.0"h x 3.6"w x 2.3"d (20.3 cm x 9.1 cm x 5.8 cm)
  • Weight: 16 oz. with batteries (0.45 kg)
  • Power: 4 AA Alkaline batteries (included)
  • Run Time: Minimum 20 hours, typical battery life
  • Approvals: EN 50270, CE mark, EN 50379
  • Warranty: Instrument and CO sensor- 2 Years; O2 Sensor - 1 Year
  • Display Languages Available: English, French, Spanish, Polish, German, Italian, Dutch, Danish

Ordering Information

Part NumberDescription
0024-8510Fyrite® InTech® (O2 Only, includes probe, 4 AA batteries, soft-carry case)
0024-8511Fyrite® InTech® (CO, O2 , includes probe, 4 AA batteries, soft-carry case)
0024-8513Fyrite® InTech® European Model* (CO, O2 , Includes probe, 4 AA batteries,
soft-carry case)
0024-8523Fyrite® InTech® Kit - without printer (CO, O2 , includes rubber boot, probe,
4 AA batteries, hard-carry case)
0024-8512Fyrite® InTech® Reporting Kit - (CO, O2, includes printer, rubber boot, probe, 8
AA batteries, hard-carry case, USB cable, Fyrite® User Software, spare filters)
0024-8514 Fyrite® InTech® Reporting Kit European Model* - (CO, O2 , includes printer,
rubber boot, probe, 8 AA batteries, hard-carry case, USB cable, Fyrite® User
Software, spare filters)
* European based calculations.

Replacement Parts & Accessories

Part NumberDescription
0024-1400 IrDA Printer w/ Disposable Batteries
0024-1310 Printer Paper (5 rolls)
0024-1461 Protective Boot with Magnet
0024-0865 Hard Carrying Case
0024-1505 NOx Filter Kit
0019-3265 Replacement Water Trap/ Filter Assembly (for Probe Assembly)
0007-1644 Replacement Filters for Water Trap (package of 3)