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Testo
The testo 511 is normally used to measure absolute pressure, e.g. for density compensation in flow measurement in ducts, laboratories and production processes. Other measurement parameters are barometric air pressure (= air pressure at sea level) and altitude above sea level.
Weight 90 g (with batteries and protective cap)
Dimensions 119 x 46 x 25 mm (incl. protective cap)
Operating temperature 0 to +50 °C
Protection class IP40
Selectable units hPa, mbar, Pa, mmH₂O, inH₂O, inHg, mmHg, psi
Battery type 2 AAA micro batteries
Battery life 200 h (average, without display illumination)
Storage temperature -40 to +70 °C
Absolute Pressure
Measuring range 300 to 1200 hPa
Accuracy ±3 hPa ± 1 Digit
Resolution 0.1 hPa
Measuring rate 0.5 s