E Instruments BTU900-NOx BTU 900 NOx Combustion Gas Analyzer CO2 O2
E Instruments BTU900-NOx Combustion Gas Analyzer
E Instruments BTU900-NOx BTU 900 NOx Combustion Gas Analyzer CO2 O2
Item Id: 7376
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E Instruments BTU900-NOx BTU 900 NOx Combustion Gas Analyzer CO2 O2

The E Instruments BTU900 NOx is an economical residential combustion analyzer designed for complete and thorough boiler and burner set up, maintenance & service.

The BTU 900-NOx combines 6 tools in 1
  • Combustion Gas Analyzer for
    • CO, CO2, O2, NO / NOx
    • Efficiency
    • Excess Air
  • (CO) Carbon Monoxide Leak Detector
  • Differential pressure manometer built in
  • Draft meter
  • Flue, Ambient and Incoming Air Thermometer (Tgas, Tair)
  • Compact , Ergonomic, Rugged, and Economical
  • 2 year warranty
BTU900-NOx Includes
  • Ambient CO Monitor
  • 10 Different Oils & Fuels (includes Bio Fuel)
  • Incoming Temperature (Condensing & High Efficiency Boilers)
  • Rechargeable Battery w/ AC Charger 
  • Bluetooth
  • Large blue backlit LCD display
  • Real-time clock with time and date
  • 10 foot dual hose 
  • Simultaneous draft and gas measurements
  • 12 inch test probe 
  • ABS Hard carry case
  • Magnetic rubber protective boot 
  • Perfect for wood, gas, bio fuel, oil & more 
E Instruments BTU900-NOx Features
  • Storage for 600 tests results 
  • PC Software for downloading test data and customer database (store records, export and email)
  • Pre calibrated, field replaceable sensors eliminates downtime
  • (IR) printer port - print to an existing IR printer (HP type) from most existing competitors
  • Connections made from unbreakable metal (no plastic)
  • 1 button operation and 1 page operation guide
  • Calibration Certificate

BTU900 NOx Specifications

Parameters Sensors Ranges Resolutions Accuracies
O2 Electro-chemical 0 - 25 percent 0.1 percent +/-0.2 percent vol
CO with NO Filter
Built in
Electro-chemical 0 - 4000 parts per mil. 1 parts per mil. +/-10 parts per mil. <400 parts per mil.
+/-5 percent rdg to 2000 parts per mil.
CO2 Calc. 0 to 99.9 percent 0.1 percent  
NO Electrochemical 0 - 4000 parts per mil. 1 parts per mil. +/-5 parts per mil.<100 parts per mil.
+/-5 percent rdg up to 1000 parts per mil.
+/-10 percent rdg for >4000 parts per mil.
NOx Calculated 0 - 5000 parts per mil. 1 part per mil.  
Tair Pt-100 -10 - 212 deg. F 0.1 deg. F +/- 1 deg. F
Tgas Tc K -10 - 1830 deg. F 0.1 deg. F +/- 2 deg. F
Differential
Temperature
Calc. -10 - 1830 deg. F 0.1 deg. F  
Pressure/Draft Semiconductor + 0 - 40 inH2O 0.001 in H2O
+/- .008 in H2O for +/- .16
2 in H2O +/- 5 percent measured value
2 elsewhere
Excess Air Calc. 0 - 850 percent 1 percent  
Efficiency Calc. 1
0.1 percent (also condensing
boilers w/ auto detection)