Next-Gen testo 300 Pro - Commercial Combustion Analyzer Kit (w/ O2 and CO 0-4,000, NO Sensor can be retrofitted) with Printer, testo Bluetooth Connector, and Hard case

Fully featured and priced right, the testo 310 residential combustion analyzer provides exceptional value and complete capabilities in combustion testing and furnace efficiency.  With its ability to perform both basic and more complex flue gas analysis, maintenance, safety checks, and furnace efficiency confirmations, the fully featured testo 310 residential combustion analyzer delivers plenty of combustion parameters.  The stainless steel probe and cone-stop are perfect for residential and boiler efficiency applications.  The testo 310 can be used for accurate heating adjustments, so you can get it right the first time, and every time.  With five different fuels to select from (natural gas, propane, fuel oil 2*, biomass 5%, and wood 20%), it provides the flexibility you need for all your tuning needs.  With an optional printer kit available, you can keep records of all readings taken. *NOTE: The testo 310 is recommended for infrequent oil measurements. For frequent oil use, please consider the testo 300. Measures: O2, CO (with built-in NOx filter), CO2 Undiluted CO (CO air free) Ambient CO Draft & pressure Temperature (flue & ambient) Combustion / flue gas efficiency & excess air Kit includes: testo 310 combustion analyzer lithium battery sensors probe with cone hose silicon tubing (for pressure) extra particulate filters (5) AC power supply (USB) pressure plugs (5) calibration certificate case Documentation Next-Gen Testo 300 Data Sheet Next-Gen Testo 300 Quad Fold Testo 300 Smoke Edition FAQ Next-Gen Testo 300 Product Finder Testo Combustion Tri-Fold  Manuals Instruction Manual Short Manual  Testo 300 Firmware Update Instructions