BS ISO 16063-41:2011 BSl Standards Publication Methods for the calibration of vibration and shock transducers Part 41: Calibration of laser vibrometers bsi. ..making excellence a habit. BRITISH STANDARD BS ISO 16063-41:2011 Nationalforeword This British Standard is the UK implementation of IsO 16063-41:2011. The UK participation in its preparation was entrusted to Technical CommitteeGME/21/2,Mechanical vbration, shock and condition monitoring - Vibration and shock measuring instruments and testing equipment. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @BSI 2011 ISBN9780580649363 ICS 17.160 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policyand Strategy Committee on30September2011. Amendments issued sincepublication Date Text affected BS ISO 16063-41:2011 INTERNATIONAL ISO STANDARD 16063-41 First edition 2011-08-01 Methods for the calibration of vibration and shocktransducers: Part 41: Calibration of laser vibrometers Methodes pourI'etalonnagedes transducteurs de vibrations et de chocs- Partie41:Etalonnagedesvibrometresalaser Reference number ISO 16063-41:2011(E) @ISO 2011 BS ISO 16063-41:2011 ISO16063-41:2011(E) COPYRIGHTPROTECTEDDOCUMENT ? ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the address below or Iso's member body in the country of the requester. ISO copyright office Casepostale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2011 - All rights reserved BSISO16063-41:2011 ISO16063-41:2011(E) Contents Page Foreword iv 1 Scope. 2 Normative references.. 3 Classification of laser vibrometers and principles oftest methods.. 4 Uncertaintyofmeasurement. 5 Requirementsforapparatusandotherconditions. 6 Preferred amplitudes and frequencies 7 Common procedure for primary calibration (methods 1, 2 and 3).. .15 8 Method using fringe counting (method 1). 9 Method using minimum-point detection (method 2) ... 10 Methodsusingsineapproximation:method3 (homodyneversion)andmethod3 (heterodyneversion)...... ..18 11 Method using comparison to a reference transducer (method 4). .20 12 Report of calibration results. Annex A(normative)Uncertaintycomponents in the primary calibration bylaserinterferometry of vibrationand shock transducers AnnexB(informative)Threeversionsofmethod3basedonlaserDopplervelocimetry.. ...36 Annex C (informative) Example of calculation of measurement uncertainty in calibration of a laser vibrometer.... 40 AnnexD(informative)Phaseshiftcalibrationoflaservibrometers 42 Bibliography. @ ISO 2011 - All rights reserved ili BS ISO 16063-41:2011 ISO16063-41:2011(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO16063-41waspreparedbyTechnical CommitteeISO/TC108,Mechanicalvibration,shock andcondition monitoring,Subcommittee Sc 3, Use and calibration of vibration and shock measuring instruments. Iso 16063 consists of the following parts, under the general title Methods for the calibration of vibration and shocktransducers: Part 1:Basic concepts Part11:Primaryvibrationcalibration