Calibration wind tunnel 2 (PTB)

Calibration wind tunnel 2 (PTB)

This wind tunnel is used by PTB (Physikalisch-Technischen Bundesanstalt – the German NMI) as a reference wind tunnel for the unit m/s. In other words: at this wind tunnel one finds the German national standard for the unit meters per second in air currents. Furthermore, the PTB regularly performs comparative measurements here.

Technical Facts:

  • Contraction Rotation: 5.5
  • Turbulence Intensity: >0.2 %
  • Maximum Velocity: 38 m/s
  • Pressure Drop: 800 Pa
  • Electrical Power: 46kW
  • Deviation from the reference MEASNET speed: ~ 0.2%
  • In full accordance with IEC 61400/2013
Kalibrierwindkanal 2 (PTB)
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