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Kane May 900 PLUS Combustion Analyzer (KM900PLUS) Probe & Case

Model #: KM900PLUS
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Category Combustion Analyzers

The KM900PLUS handheld analyzer is easy to use for domestic and industrial boiler flue gas measurement and analysis. It operates on all boiler types and can display 8 parameters simultaneously showing measurements and calculations of boiler efficiency and pollution. It measures O2, flue and NETT temperature and calculates CO2, boiler efficiency, excess air and losses. CO is measured with a hydrogen compensated sensor for increased accuracy. The KM900Plus measures CO and calculates CO/CO2 ratio (The Poison Index) to give complete readings for effective boiler analysis and safety.

Includes seven preprogrammed fuels with two positions for user-specified fuels. With 150 memory locations, tests can be stored and downloaded to the optional IR printer through the infrared port or to a PC through the RS-232 port utilizing the optional Fireworks software package. The unit comes complete with a large carrying case, probe and battery charger.


  • 0 to 10,000ppm H2 compensated CO sensor
  • Installed memory can store up to 150 readings and can transfer data to a printer or PC (via Infra-red printer link)
  • Printout displays the time/date of each measurement as well as personalized information such as company name and telephone number
  • Long life rechargeable battery & large 4 line display
  • Upgrades available include NOx, SO2 and Draft (add up to 2 additional sensors)
Resolution Accuracy Range
Temp Measurement
Flue Temperature with Probe 0.1

2C 0.3%

32-1112F (0-600C)
Inlet Temperature 0.1

1C 0.3%

32-122F (0-50C)

Gas Measurement *
Oxygen O2 0.1%


0 to 21%

Carbon Monoxide CO

(H2 compensated)


20ppm <400ppm

5% <5,000ppm

10% <5,000ppm

0 to 10,000ppm
Carbon Dioxide CO2 * 0.1%


0 to 99.9%
Losses 0.1%


0 to 99.9%
Efficiency 0.1%


0 to 99.9%
Excess Air 0.1%


0 to 2885.0%
Temp (Nett) 1.0

2C (0.3%)

32-1112F (0-600C)
CO/CO2 Ratio 0.0001


0 to 0.9999
Poison Index 0.01%


0 to 99.99

Using dry gases at STP
* Calculated

  • Pre-programmed Fuels: Natural Gas, Town Gas, Gascor, Light Oil, Heavy Oil, Propane, Butane, Anthracite, Coke, Coal, Kinsale Gas
  • Dimensions:
    • Handset: 8.7" x 2.2" x 4.7" (220 x 55 x 120mm)
    • Probe Length: 420mm, 8mm Diameter with 285mm stainless steel shaft, type K thermocouple and 1.5m neoprene hose
  • Weight: 2.2 pounds
  • Altitude to 2000m
  • Ambient operating temperature range: 32 to 113F (0 to 45C)
  • Ambient operating humidity range:10 to 90% RH non condensing
  • Power supply (battery charger): Input: 110vAC / 220vAC; nominal Output: 12vAC off load
  • Battery Life: >6 hours from full charge

Supplied with:

  • Flue gas probe, Battery & Battery charger
  • Protective rubber boot, User's manual & Large Cordura carrying case
  • One year limited manufacturer's warranty (2 year on O2 sensor)

Options: You can add up to 2 additional sensors

SENSOR RANGE Resolution Accuracy PART#
Nitric Oxide - NO1 0~5,000ppm 1ppm



Nitric Oxide - NO1 low range 0~100ppm 1ppm



Carbon Monoxide (high range) 0 to 10% 0.01%

5% from 0.1-10%

Nitrogen Dioxide NO2 0~1,000ppm 1ppm




Sulfur Dioxide - SO2 0~5,000ppm 1ppm



Sulfur Dioxide - SO2 low range 0~100ppm 1ppm 18131
Pressure 0.1 mbar 150mbar

2% of full scale


  • Smoke Pump Test Kit: SPT1
  • Inlet Temperature Probe (6" Liquid K-Type): ATT100
  • Infrared Printer: KMIRP2

Download Data Sheet (PDF format)

Download Users Manual (PDF format)

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