ASME_B107.28-2005.pdf

AN AMERICAN NATIO NAL STANDARDElectronic Torque InstrumentsASME B107.28-2005(Revision of ASME B107.28M-1997)Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B107.28-2005(Revision of ASME B107.28M-1997)Electronic TorqueInstrumentsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance:August 5,2005This Standard will be revised when the Society approves the issuance of a new edition.There willbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages athttp:/www.asme.org/codes/as they are issued.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 EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2005 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CONTENTSForeword.ivCommittee Roster.v1 Scope.12 Classification.13 References.14 Definitions.15 Requirements.16 Test Procedures.27 Designations.38 Safety Requirements and Limitations of Use.3Figure1 Drive Ball Location.2Tables1 Torque Instrument Capacity.22 Torque Instrument Operating Load.2iiiCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-FOREWORDTheAmericanNationalStandardCommitteeB107,SocketWrenchesandDrives,undersponsor-ship of The American Society of Mechanical Engineers,was reorganized as an ASME StandardsCommittee and its title was changed to Hand Tools and Accessories.In 1996 its scope wasexpanded to address safety considerations.The purposes of this Standard are to provide performance and safety considerations specificallyapplicable to electronic torque instruments and to specify test methods to evaluate performancerelating to the defined requirements.Members of the Hand Tools Institute Torque Instruments Standards Committee have beenmajor contributors to the development of this Standard in their committee work,their knowledgeof the products,and their active efforts in the promotion of the Standard.This Standard is a revision of ASME B107.28M-1997 Electronic Torque Instruments.Type desig-nators for different accuracy ratings have been added.The format of this Standard is in accordance with The ASME Codes&Standards Writing Guide2000.Requests forinterpretations and suggestions forthe improvement of this Standardshould beaddressedtotheSecretary,ASMEB107Committee,ThreeParkAvenue,NewYork,NY10016-5990.The requirements of this Standard become effective at the time of publication.This revisionwas approved as an American National Standard on March 14,2005.ivCopyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B107 STANDARDS COMMITTEEHand Tools and Accessories(The following is the roster of