The Extech AN510 is a CMM/CFM 4-in-1 Anemometer, Type K, that measures air velocity, air flow, air temperature, and type K temperature. The AN510 features a built-in low friction ball bearing mini vane wheel for high accuracy. The Type K temperature probe function measures surface temperature up to 2372°F (1300°). Additionally, the AN510 offers a large dual LCD with backlighting, data hold, and min/max function.