E Instruments E500 [E500-3P] Combustion Analyzer with O2, CO, CO2, NO, NOx, Combustion Efficiency, Wireless Bluetooth Printer

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.