ASME_B89.1.13-2013.pdf

AN AM E R IC AN NAT IO NAL STANDARDASME B89.1.13-2013Revision of ASME B89.1.13-2001(R2006)MicrometersINTENTIONALLY LEFT BLANK ASME B89.1.13-2013Revision of ASME B89.1.13-2001(R2006)MicrometersAN AMERICAN NATIONAL STANDARDTwo Park Avenue New York,NY 10016 USADate of Issuance:September 30,2013This Standard will be revised when the Society approves the issuance of a new edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Periodically certain actions of the ASME B89 Committee may be published as Cases.Cases and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org/as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published items,or to correct typographical or grammatical errorsin codes and standards.Such errata shall be used on the date posted.The Committee Pages can be found at http:/cstools.asme.org/.There is an option available toautomatically receive an e-mail notification when errata are posted to a particular code or standard.ThisoptioncanbefoundontheappropriateCommitteePageafterselecting“Errata”inthe“PublicationInformation”section.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2013 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B89 Committee.vi1Scope.12Definitions.13References.14Micrometers General.25Outside Micrometers.36Inside Micrometers.37Depth Micrometers.58Micrometers With Digital Readout.6Figures5-1Typical Outside Micrometer.36-1Typical Inside Micrometer.57-1Typical Depth Micrometer.68.1-1Mechanical Digital Micrometer.68.2-1Electronic Digital Micrometer.6Tables5.1-1Maximum Permissible Errors of Outside Micrometers(Metric System).45.1-2Maximum Permissible Errors of Outside Micrometers(Inch System).45.6-1Metric-Measure Setting Standards.55.6-2Inch-Measure Setting Standards.56.1-1Maximum Permissible Errors of Inside Micrometers(Metric System).56.1-2Maximum Permissible Errors of Inside Micrometers(Inch System).57.3.1-1Maximum Permissible Errors of Depth Micrometers(Metric System).67.3.1-2Maximum Permissible Errors of Depth Micrometers(Inch System).6Nonmandatory AppendicesAGood Operating Procedure.7BEnvironmental Considerations.9CTest Methods.10DUncertainty for Micrometer Calibrations.13EComparison With ISO 3611:2010.17iiiFOREWORDASME Standards Committee B89 on Dimensional Metrology,under procedures approved bythe American National Standards Institute(ANSI),has the responsibility of preparing standardsthat encompass the inspection and the means of measuring characteristics of various geometricalparameters,such as diameter,length,flatness,parallelism,concentricity,taper,and squareness.Sincemicrometers arewidelyusedfor themeasurementand comparisonofsomeof thesefeatures,the B89 Consensus Committee authorized formation of Project Team B89.1.13 to prepare thisStandard.This Standard is a revision of the first edition,ASME B89.1.13-2001.The 2001 edition was basedin part on Federal Specification GGG-C-105C,published by the General Services Administration(GSA),as well as manufacturers current practices an