4 Tools in 1!  The 709 is an affordable combustion efficiency analyzer, differential digital manometer, carbon monoxide analyzer, and differential thermometer for residential and light industrial applications.

• Faster purge cycle for quick and easy set up
• Real-time efficiency measurements while making adjustments
• Reduce energy costs by fine-tuning equipment
• Increase safety by targeting obsolete or inferior equipment

Features:

• Fast and easy set-up
• Built in high-resolution (0.001 inH2O) differential manometer to perform low pressure and draft measurements on high efficiency gas and oil fired equipment.
• Measures CO, O2, pressure, and temperature
• Calculates CO2, efficiency, excess air, and CO air free
• IR printer port – use optional A740 infrared printer for hard copy of test results for customer verification and auditing
• Selectable fuels: natural gas, light oil, heavy oil, LPG, bituminous coal, anthracite coal, coke, butane, wood, bagasse
• Pump driven for fast response
• Flue probe with built in thermocouple
• Soft carrying case
• Protective rubber boot
• Available with rechargeable battery as 709R