Testo 512 Digital Manometer Anemometer features 8 switchable units of pressure: kPa, hPa, Pa, mm H2O, mmHg, psi, inch H2O, inch Hg, Integrated density compensation, Display illumination, Hold-/max-/min function, Printout of measurement values incl. date/time and min/max values. Mfg part Testo 560 5129.