The Testo 512 displays pressure and flow simultaneously in an easy-to read, large, backlit display.

Measurement data is printed onsite with date and time as well as minimum and maximum values. The Test512 has two switchable units for flow: m/s and fpm. Eight units can be set for pressure: kPa,hPa, Pa, mH2O, mHg, psi, inchH2O, inch Hg.