• 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.
• Simultaneous measurement of O2, CO, and flue gas and ambient temperatures
• All the measurements you need, including draft and pressure
• Bright backlit 2-line display and icons for easy viewing
• Fast 30-second startup so you can get testing quickly
• Integrated kink-resistant probe hose eliminates leaks

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
• Delivery Scope
• 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, and case

*NOTE: The testo 310 is recommended for infrequent oil measurements. For frequent oil use, please consider the testo 300