BS 6955-9: 1994 ISO 5347-9: 1993 : Calibration of vibration and shock pick-ups — Part 9: Method for secondary vibration calibration by comparison of phase angles
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ISO 5347 comprises a series of documents dealing with methods for the calibration of vibration and shock pick-ups. This part of ISO 5347 lays down detailed specifications for the instrumentation and procedure to be used for primary comparison phase angle vibration calibration. It applies to rectilinear and working pick-ups.
BS 6955-9: 1994 ISO 5347-9: 1993 : Calibration of vibration and shock pick-ups — Part 9: Method for secondary vibration calibration by comparison of phase angles