PCE-HVAC 2 is a pitot tube anemometer used to determine air velocity, air pressure, airflow, differential pressure and ambient temperature. The pitot tube anemometer allows access through tiny openings to take measurements in small pipe systems and other confined spaces.- - Measures air velocities up to 80 m/s / 262 ft/s, 2.24 … 178.66 MPH - Zero, minimum, maximum, average, record and hold functions - Stores to memory up to 99 measurement values per parameter