See Technical Specs for details on TPI-708 upgrade kits

No furnace installation or service work should be performed without doing a gas leak test and a Carbon Monoxide (CO) Test. Combustion Efficiency Analyzer Three Tools in One! The 708 is an affordable combustion efficiency analyzer, CO analyzer, and a differential thermometer for residential and light industrial applications.

• Measures CO, O2 and temperature
• Calculates CO2, efficiency, excess air and CO air free
• Selectable fuels: natural gas, light oil, heavy oil and LPG
• Pump driven for fast response
• Flue probe with built-in thermocouple
• IR printer port - use optional A740 Infrared Printer
• Soft carrying case
• Protective rubber boot

• Furnace
• Hot water heater
• Radiant heat boilers
• CO testing

• Boilers
• Furnaces
• Hot water heater
• CO testing
• NOX testing

• Boilers
• Furnaces
• Hot water heater
• CO and high CO testing
• NOX testing

• CO
  • Range: 0-10,000ppm
  • Resolution: 1ppm
  • Accuracy: ±5ppm or 5%, whichever is greater
• O2
  • Range: 0-25%
  • Resolution: 0.1%
  • Accuracy: ±0.3%
• CO2
  • Range: 0-25%
  • Resolution: 0.001
  • Accuracy: Calculated
• Excess Air (Calculated)
• Efficiency (Calculated)
• Temperature (2-Channel): -100° - 1,000°C
• Difference (Ch1-Ch2 Calculated)
• Single Memory Store: 50
• Recall Function
• Real Time Display
• Backlight
• IR Print Port
• Store Mode Print
• Real Mode Print

Specifications:

• Operating Temperature Range: -10° to 50°C (14° to 122°F)
• Battery: 4AA Alkaline Batteries
• Fuels: Natural Gas, LPG, Light Oil, Heavy Oil
• Display: Backlit LCD
• Time & Date: 24 Hour Real-Time Clock
•  Dimensions: 200mm x 90mm x 60mm
• Weight: 500g
• Switch Off: Failsafe
• Exhaust: Safety Spigot
• Conforms To: BS7927 (and the draft BS7967)

Included with all models:

• Carrying Case
• Flue Probe
• Protective Boot
• Manual