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Fans. Air curtain units - Laboratory methods of testing for sound power Ingestion-build-224916 NOTE Also with this method
Fans. Air curtain units - Laboratory methods of testing for sound power Ingestion-build-224916 NOTE Also with this method
$153.00
Description
NOTE Also with this method
) blocked acoustic pressure ripple
With competence and obedience to ISO 17021‑3
spectrometric measure metric of the calibration solutions
control functions are not used to create composite graphic symbols from two or more graphic characters (see clause 6)
Fans. Air curtain units - Laboratory methods of testing for sound power Ingestion-build-224916 NOTE Also with this method1 Scope This part of ISO 27327 deals with the determination of the acoustic performance of air curtain units. In addition, it can be used to determine the acoustic performance of air curtain units combined with an ancillary device.
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