Seitron S500-2P – Portable Combustion Analyzer Plus Kit (Bluetooth and Wireless Printer) – O2, CO, CO2

S500 Plus Kit: O2, CO, CO2, Combustion Efficiency, Excess Air, Draft, Pressure, Temperature, Calculations for High Efficiency and Condensing Systems, 12 inch Probe with 5′ Hose, and Hard Plastic Carrying Case. Also includes QR Code Smartphone Apps, Bluetooth, and Wireless Bluetooth Printer