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E-Instruments BTU 900-C Combustion Gas Analyzer

Residential & Commercial
O2, CO, CO2, CxHy (Hydrocarbons)


  • NEW with CxHy (HC-Hydrocarbons) Measurement for Boiler/Burner Safety AND Efficiency
  • Now with Wireless Bluetooth™ Printer (no more lining up IR printers)


  • Combustion Efficiency Analyzer for O2, CO, CO2 (Calculates Combustion Efficiency, Excess Air, Losses, CO Air Free)
  • Combustion Safety Analyzer for CxHy (HC – Hydrocarbons)
  • Ambient Room Air Carbon Monoxide (CO) Leak Detector
  • Draft Meter (Negative & Positive Draft)
  • Built–In Differential Digital Pressure Manometer
  • Built–in Differential Thermometer


  • AUTOMATIC Direct Outdoor Air Temperature Measurement for ALL HIGH-EFFICIENCY & CONDENSING Boilers, Water Heaters, Furnaces, etc.
  • High Range CO Sensor (0–8000 ppm) with Integrated NOx Filter
  • High Range CO Sensor for Over–Range Protection
  • Flue Stack & Ambient Temperature
  • Outdoor Air Temp Measurement (High Efficiency & Condensing Boilers)
  • Flue Stack & Ambient Temperature
  • “Plug–n–Play” Pre–Calibrated Field Replaceable Sensors
  • Unbreakable Metal Connections
  • 600 Internal Test Memory
  • PC Software Package with USB & Bluetooth Communications Included
  • Wireless Bluetooth Included
  • 10 Fuels & Oils (Including Bio–Fuel)
  • Protective Magnetic Rubber Boot
  • Rechargeable Lithium Ion Battery Pack with AC Charger
  • ONE Button Operation with One–page Quick Reference Guide
  • Large, Bright BLUE LCD Backlit Display
  • Zoom Feature
  • Quick & Easy Intuitive Menu with One–Page Quick reference Guide
  • External Water Trap for Easy Condensate Removal
  • 12" Probe Included with 10' Dual Hose for Gas & Draft Measurements>
  • Lightweight Vinyl Carrying Case
  • Economical, Ergonomic, Compact, and Rugged
  • Perfect for ANY Natural Gas, Propane, Oil, Wood, Coal, Bio–Fuel, and many more Applications



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