Verschildrukmeters met aansluitbare voelers (Debiet)

testo 521-1, verschildrukmeter met meetbereik 0...100 hPa en nauwkeurigheid 0.2 hPa, inclusief batterij en kalibratieprotocol

• Integrated differential pressure sensor with an accuracy of 0.2 % of f.v.

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Multi-point and timed mean calculation

• 2 probe inputs for additional pressure and temperature probes

testo 521-3, verschildrukmeter met meetbereik 0...2.5 hPa inclusief batterij en kalibratieprotocol

• Integrated temperature-compensated differential pressure sensor with accuracy of up to ± 0.5 Pa

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Direct zeroing of the display values of pressure probes

• 2 probe inputs for additional pressure and temperature probes
   

testo 521-2, verschildrukmeter met meetbereik 0...100 hPa en nauwkeurigheid 0.1 hPa, inclusief batterij en kalibratieprotocol

• Integrated differential pressure sensor with an accuracy of 0.1 % of f.v.

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Multi-point and timed mean calculation

• 2 probe inputs for additional pressure and temperature probes