Testo 511 | Digital barometer

Contact Instrument Solutions

The Testo 511 is a small compact hand held device with 8 selectable units and measures absolute pressure with an accuracy of ± 3 mbar. This can then be simply converted converted to barometric air pressure by entering on-site height above sea level.


  • Measures absolute pressure, e.g. for absolute pressure compensation in flow velocity measurements with a Pitot tube
  • Calculation of barometric air pressure
  • Barometric altitude measurement
  • Protective cap for safe storage
  • Including wrist strap and belt holder
  • Backlit display
  • 8 switchable pressure units: hPa, mbar, Pa, mm H2O, mm Hg, in H2O, in Hg, psi


Accuracy       ± 3 mbar

Measuring range       300 to 1200 mbar

Accuracy       ± 3.0 mbar

Resolution      0.1 mbar

Operating temperature      0 to + 50 °C

Battery type      x2 type AAA

Battery life      200 hours typical

Weight      90 g

Dimensions      119 mm x 46 mm x 25 mm

Support documents

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Testo 511 user manual.pdf Testo 511 user manual
Technical document
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Adobe Acrobat
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