Calibration with Cofrac* certificate BlowerDoor Standard measuring fan (accredited)
Product information "Calibration with Cofrac* certificate BlowerDoor Standard measuring fan (accredited)"
Calibration by accredited laboratory (EN 17025) for flow rings of BlowerDoor Standard (model 4, model 3). Three measured values are calibrated per flow ring. The measuring accuracy of the BlowerDoor fan of ± 4 % (open fan and rings A – C) and ± 5 % (rings D and E) is assessed. Previous basic maintenance and functional test included.
*Cofrac is the French accreditation body. According to the ILAC agreement, Cofrac calibration certificates are equivalent to the German DAkkS calibration certificates. Cofrac calibration certificates are fully recognized in Germany.
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