ISO INTERNATIONAL STANDARD 8041-1 First edition 2017-05 Human response to vibration Measuring instrumentation - Part 1: General purpose vibration meters Reponse des individus aux vibrations - Appareillage de mesure - Partie 1: Instrument de mesure a usage général Reference number IS0 8041-1:2017(E) International Organization for Standardization @ IS0 2017 e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 nitted without license from IHS IS0 8041-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 · CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internationai ibrg DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZzRoISQ7 - All rights reserved Not for Resale, 2017/8/21 00:50:45 networking permited withoutlicense from IHS IS0 8041-1:2017(E) Contents Page Foreword ..vi Introduction.. ..vii 1 Scope. 2 Normative references 3 Terms, definitions and symbols ..2 3.1 Terms and definitions .2 3.1.1 General. 3.1.2 Frequency-weighted values .4 3.2 Symbols.. .6 Referenceenvironmentalconditions Performance specifications 5.1 General characteristics ..8 5.2 Display of signal magnitude. 10 5.2.1 General .10 5.2.2 Resolution and refresh rate .10 5.2.3 Stabilization, measurement start and display times ..11 5.3 Electrical output ..11 5.4 Vibration sensitivity. .11 5.5 Accuracy of indication at reference frequency under reference conditions. .12 5.6 Frequency weightings and frequency responses. 5.6.1 Parameters .12 5.6.2 Band-limiting filter ..13 5.6.3 a-v transition filter. .13 5.6.4 Upward-step filter .14 5.6.5 Overall frequency weighting. ..14 5.6.6 Tolerances. ..14 5.7 Amplitude linearity .15 5.8 Instrument noise .16 5.9 Signal-burst response .16 5.10 Overload indication.. .19 5.11 Under-range indication 20 5.12 Time averaging. 20 5.13 Running rm.s. acceleration 20 5.14 Reset. 21 5.15 Timing facilities 21 5.16 Electrical cross-talk .21 5.17 Vibration transducer characteristics .21 5.18 Power supply .21 6 Mounting. .22 7 Environmental and electromagnetic criteria .22 7.1 General 22 7.2 Air temperature 22 7.3 Surface temperature. .23 7.4 Electrostatic discharge 23 7.5 Radio-frequency emissions and public-power-supply disturbances 23 7.6 Immunity to AC power-frequency fields and radio-frequency fields .24 7.7 Ingress of water and dust. ..24 8 Provision for use with auxiliary devices .25 9 Instrument marking ..25 10 Instrument documentation .25 iii Licensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS IS0 8041-1:2017(E) 11 Testing and calibration 25 12 Pattern evaluation 28 12.1 General 28 12.2 Testing requirements 28 12.3 Submission for testing. 29 12.4 Marking of the vibration meter and information in the instrument documentation 29 12.5 Mandatory facilities and general requirements .29 12.6 Initial instrument preparation. 29 12.7 Indication at the reference frequency under reference conditions .29 12.8 Electrical cross-talk. 30 12.9 Vibration transducer. 30 12.10 Amplitude linearity and under-range indication 31 12.10.1 Electrical tests of amplitude linearity. 31 12.10.2 Mechanical tests of amplitude linearity 32 12.11 Frequency weightings and frequency responses 33 12.11.1 General.. 33 12.11.2 Mechanical tests of frequency response 33 12.11.3 Electrical tests of frequency response 34 12.11.4 Conformance 35 12.12 Instrument noise. 35 12.13 Signal-burst response. 36 12.14 Overload indication.. 36 12.15 Reset. 36 12.16 Combined axis outputs 37 12.17 AC electrical output.. 37 12.18 3Timin