E500-3P

Combustion Analyzer with O2, CO, CO2, NO, NOx, Combustion Efficiency, Heat Losses, Draft, Pressure, Excess Air, Temperature, 12 inch Probe, 5 Ft Hose, Vinyl Carrying Case, AC Charger, Calculations for High Efficiency and Condensing Systems. Adds downloadable Wireless Bluetooth and Smartphone Apps for Android and Apple plus wireless Bluetooth Printer