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Highly accurate absolute pressure measurement to ±3 hPa Barometric altitude measurement Calculation of barometric air pressure 8 available pressure units Display illumination Absolute pressure measuring instrument testo 511 – Pocket-sized absolute pressure measurement hPa testo 511 measures absolute pressure to an accuracy of ±3 hPa. The measuring instrument is ideal for absolute pressure compensation during flow velocity measurements with a Pitot tube, for example. By entering the altitude above sea level, this is converted into barometric air pressure. In addition to this, a barometric pressure measurement between two points is also possible. The eight switchable pressure units offer the user highest flexibility in measurement. The clip-on protective cap, wrist strap and belt holder ensure safekeeping of the instrument. testo 511 is very handy, small and easy to use. www.testo.com Illustration 1:1 We measure it. testo-511-P01 11.06.2013 15:04 Seite 1
Technical data / Accessories testo 511 testo 511 handy measuring instrument for absolutepressure incl. protection cap, batteries, belt holder and calibration protocol Part no. 0560 0511 General technical data Storage temperature -40 to +70 °C Measurement rate 0.5 s Selectable units hPa, mbar, Pa, mmH2O, mmHg, inH2O, inHg, psi, m, ft Operating temperature 0 to +50 °C Battery type 2 AAA micro batteries Battery life 200 h (average, without display illumination) Protection class IP40 Weight 90 g (with batteries and protective cap) Dimensions 119 x 46 x 25 mm (incl. protective cap) Warranty 2 years www.testo.com 0981 9774/msp/A/10.2013Subject to change without notice. Sensor type Absolute pressure probe Measuring range Accuracy ±1 digit Resolution 300 to 1200 hPa ±3.0 hPa 0.1 hPa We measure it. Accessories Part no. Accessories for measuring instrument 0554 0448Connection hose, silicone, 2 m long, max. load 700 hPa (mbar) 0516 4007Belt holder 0520 0085 0520 0025 ISO calibration certificate relative pressure, 3 measurement points distributed over the measurement range ISO calibration certificate pressure, differential pressure, accuracy 0.1 to 0.6 (% of fsv) testo-511-P02 17.10.2013 08:16 Seite 2