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Combustion Analyzer CO2 & O2 (C50) with SS Probe & 9' Hose

Model #: C50

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Combustion Analyzer CO2 & O2 (C50) with SS Probe & 9' Hose
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Category Combustion Analyzers

The C50 Combustion Analyzer helps technicians achieve combustion efficiency quickly, accurately, and easily! Perfect for residential and light commercial efficiency testing and tuning of furnaces, and hot water heaters.


  • Built in sampling pump with battery saving standby switch
  • Calculates CO2 (Carbon Dioxide) gross & net efficiency, and excess air
  • Measures O2 (Oxygen)
  • Measures flue, inlet & net temperatures
  • Pre-programmed Fuels Natural Gas, Light Oil, Propane, Butane and Liquefied Petroleum Gas, Coke, Heavy Oil, Coal and Anthracite
  • Heavy duty stainless steel probe with depth stop
  • Automatic calibration
  • Efficiency reading on condensing boilers
  • 16 position memory
  • Choose combustion parameter with a rotary selector
  • Measure flue temperature and oxygen
  • Protected boot with an integral magnet
  • Infrared printer port
  • User Programmable header for printed reports
  • Day, time and date stamp for printed reports
  • Large backlit LCD, 2 line display
  • Battery level indicator
  • Made in UK


  • Temperature measurement range: 32 to 1112 F (0 to 600 C)
  • Temperature resolution: 1 F/C
  • Temperature accuracy: 5 F/C , 0.3% reading
  • Oxygen O2 measurement range: 0 to 21%
  • Oxygen O2 measurement resolution: 0.2%
  • Oxygen O2 measurement accuracy: 0.1% *1
  • Carbon Dioxide CO2 measurement range*2: 0 to 30%
  • Carbon Dioxide CO2 measurement resolution: 0.1%
  • Carbon Dioxide CO2 measurement accuracy: 0.3% reading
  • Efficiency measurement range*2: 0 to 99.9%
  • Efficiency measurement resolution: 0.1%
  • Efficiency measurement accuracy: 1.0% reading
  • Excess Air measurement range*2: 0 to 250%
  • Excess Air measurement resolution: 0.1%
  • Excess Air measurement accuracy: 0.2%
  • Dimensions:
    • Handset: 8: x 2" x 3.5"
    • Probe: L 12" x Dia .25" with 8" long stainless steel shaft
    • Neoprene Hose: 9' with 'K' type thermocouple
  • Three year limited warranty (Two year limited warranty on sensors)
  • Power: (4) "AA" (designed for both alkaline or rechargeable Nickel Metal Hydride (NiMH) batteries)
  • Battery life: ~8 hours using (4) alkaline batteries
  • Optional AC adapter:
    • Input: AC 110v / 220v nominal
    • Output: DC 6v, 500mA

Supplied with:

  • Depth stop cone
  • (4) "AA" alkaline batteries
  • Owner's manual
  • Combustion efficiency calculation charts
  • Protective Ruggedized Boot with integral magnet
  • 9' Neoprene hose with incorporated "k" type thermocouple end

Optional accessories & replacement parts:

  • Infrared printer (KMIRP)
  • Soft carrying case (AC75)
  • AC adapter (AACA4)
  • Replacement particle filter (17631)
  • Smoke pump test kit (SPT1)

*1 calculated

*2 using dry gasses at STP

UPC: 053533504910
Search Category: Hardware > Tools > Measuring Tools & Sensors
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Category Combustion Analyzers
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