Calibration wind tunnel 2 (PTB)

This wind tunnel serves the German national metrology institute (Physikalisch-Technische Bundesanstalt – PTB) as a comparison and reference channel for the unit "m/s". In other words: In this wind tunnel, a PTB transfer standard is installed to represent the physical unit "meters per second" for air flows. In addition, PTB regularly conducts comparison measurements for national and international interlaboratory comparisons.

Technical Facts:

  • Contraction Ratio: 5.5
  • Turbulence Intensity: >0.2 %
  • Maximum Velocity: 38 m/s
  • Electrical Power: 46kW
  • In full accordance with IEC 61400-50-1:2022, previously IEC 61400-12-1:2017
Kalibrierwindkanal 2 (PTB)
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