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    ANSI ASA S1.4 PART 3-2014 American National Standard Electroacoustics - Sound Level Meters - Part 3 Periodic Tests (a nationally adopted international standard).pdf

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    ANSI ASA S1.4 PART 3-2014 American National Standard Electroacoustics - Sound Level Meters - Part 3 Periodic Tests (a nationally adopted international standard).pdf

    1、 ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3:2013 AMERICAN NATIONAL STANDARD Electroacoustics Sound Level Meters Part 3: Periodic Tests (a nationally adopted international standard) Accredited Standards Committee S1, Acoustics Standards Secretariat Acoustical Society of America 1305 Walt Whitman Road, S

    2、uite 300 Melville, NY 11747ANSI/ASA S1.4-2014/Part 3 /IEC 61672-3:2013The American National Standards Institute, Inc. (ANSI) is the national coordinator of voluntary standards development and the clearinghouse in the U.S.A. for information on national and international standards. The Acoustical Soci

    3、ety of America (ASA) is an organization of scientists and engineers formed in 1929 to increase and diffuse the knowledge of acoustics and to promote its practical applications. ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3:2013 AMERICAN NATIONAL STANDARD Electroacoustics Sound Level Meters Part 3: Periodi

    4、c Tests (a nationally adopted international standard) Secretariat: Acoustical Society of America Approved on July 21, 2014 by: American National Standards Institute, Inc. Abstract ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3:2013 describes procedures for periodic testing of time-weighting, integrating-av

    5、eraging, and integrating sound level meters that were designed to conform to the class 1 or class 2 specifications of ANSI/ASA S1.4-2014/Part 1 / IEC 61672-1. The aim of the standard is to ensure that periodic testing is performed in a consistent manner by all laboratories. The purpose of periodic t

    6、esting is to assure the user that the performance of a sound level meter conforms to the applicable specifications of ANSI/ASA S1.4-2014/Part 1 / IEC 61672-1 for a limited set of key tests and for the environmental conditions under which the tests were performed. Periodic tests described in this edi

    7、tion of ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3 apply to sound level meters for which the manufacturer claims conformance to the specifications of the second edition of ANSI/ASA S1.4-2014/Part 1 / IEC 61672-1. Periodic tests described in ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3 apply to sound level m

    8、eters for which the model has been, or has not been, pattern approved by an independent testing organization responsible for pattern approvals in accordance with the test procedures of ANSI/ASA S1.4-2014/Part 2 / IEC 61672-2. Procedures for the periodic testing of sound level meters designed to conf

    9、orm to the specifications of IEC 61672-1:2002 were given in IEC 61672-3:2006. AMERICAN NATIONAL STANDARDS ON ACOUSTICS The Acoustical Society of America (ASA) provides the Secretariat for Accredited Standards Committees S1 on Acoustics, S2 on Mechanical Vibration and Shock, S3 on Bioacoustics, S3/SC

    10、 1 on Animal Bioacoustics, and S12 on Noise. These committees have wide representation from the technical community (manufacturers, consumers, trade associations, organizations with a general interest, and government representatives). The standards are published by the Acoustical Society of America

    11、as American National Standards after approval by their respective Standards Committees and the American National Standards Institute (ANSI). These standards are developed and published as a public service to provide standards useful to the public, industry, and consumers, and to Federal, State, and

    12、local governments. Each of the Accredited Standards Committees (operating in accordance with procedures approved by ANSI) is responsible for developing, voting upon, and maintaining or revising its own Standards. The ASA Standards Secretariat administers Committee organization and activity and provi

    13、des liaison between the Accredited Standards Committees and ANSI. After the Standards have been produced and adopted by the Accredited Standards Committees, and approved as American National Standards by ANSI, the ASA Standards Secretariat arranges for their publication and distribution. An American

    14、 National Standard implies a consensus of those substantially concerned with its scope and provisions. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement mea

    15、ns much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered and that a concerted effort be made towards their resolution. The use of an American National Standard is completely voluntary. Their existence does not in any respect p

    16、reclude anyone, whether he or she has approved the Standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the Standards. NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American

    17、 National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this Standard. Acoustical Society of America ASA Secretariat 1305 Walt Whitman Road, Suite 300 Melville, New York 11747 Telephone: 1 (631) 390-0215 Fax: 1 (631) 923-2875 E-mail: asastdsacoustical

    18、society.org 2014 by Acoustical Society of America. This standard may not be reproduced in whole or in part in any form for sale, promotion, or any commercial purpose, or any purpose not falling within the provisions of the U.S. Copyright Act of 1976, without prior written permission of the publisher

    19、. For permission, address a request to the Standards Secretariat of the Acoustical Society of America. These materials are subject to copyright claims of IEC and ASA. No part of this publication may be reproduced in any form, including an electronic retrieval system, without the prior written permis

    20、sion of the Acoustical Society of America (ASA). All requests pertaining to this standard should be submitted to the ASA. i 2014 Acoustical Society of AmericaAll rights reserved Contents 1 Scope . 1 2 Normative references . 1 3 Submission for testing 2 4 Conformance 3 5 Preliminary inspection 4 6 Po

    21、wer supply 4 7 Environmental conditions . 4 8 General test requirements 4 9 Sound calibrator . 5 9.1 General . 5 9.2 Information for operation 5 9.3 Information for testing . 5 9.4 Calibration of the sound calibrator 5 10 Indication at the calibration check frequency . 6 11 Self-generated noise 6 11

    22、.1 Microphone installed 6 11.2 Microphone replaced by the electrical input-signal device . 6 12 Acoustical signal tests of a frequency weighting 7 13 Electrical signal tests of frequency weightings . 9 14 Frequency and time weightings at 1 kHz . 10 15 Long-term stability 10 16 Level linearity on the

    23、 reference level range . 11 17 Level linearity including the level range control . 11 18 Toneburst response . 12 19 C-weighted peak sound level . 12 20 Overload indication . 13 21 High-level stability 14 22 Documentation . 14 ii 2014 Acoustical Society of AmericaAll rights reserved Foreword This For

    24、eword is for information only, and is not a part of the American National Standard ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3:2013 American National Standard Electroacoustics Sound Level Meters Part 3: Periodic Tests. As such, this Foreword may contain material that has not been subjected to public rev

    25、iew or a consensus process. In addition, it does not contain requirements necessary for conformance to the standard. This standard comprises a part of a group of definitions, standards, and specifications for use in acoustics. It was developed and approved by Accredited Standards Committee S1 Acoust

    26、ics, under its approved operating procedures. Those procedures have been accredited by the American National Standards Institute (ANSI). The Scope of Accredited Standards Committee S1 is as follows: Standards, specifications, methods of measurement and test, and terminology in the field of physical

    27、acoustics, including architectural acoustics, electroacoustics, sonics and ultrasonics, and underwater sound, but excluding those aspects which pertain to biological safety, tolerances, and comfort. This nationally adopted international standard is a new standard and does not revise or replace any p

    28、re-existing American National Standard. This standard is identical to IEC 61672-3:2013, which was prepared by IEC Technical Committee 29, in cooperation with the International Organization of Legal Metrology (OIML). However, in conformance with ANSI and IEC rules, the words “this part of ANSI/ASA S1

    29、.4-2014 / IEC 61672“ replace the words “this part of IEC 61672“ where they appear in the IEC document, decimal points were substituted in place of the decimal commas used in IEC documents, and American English spelling is used in place of British English spelling. This standard includes five Annexes

    30、. Annexes B, D and E are normative and are considered to be a part of this standard. Annexes A and C are informative and are not considered part of this standard. The ANSI/ASA equivalents for the IEC standards in the IEC 61672 series are given below: ANSI/ASA S1.4-2014/Part 1 / IEC 61672-1:2013 is a

    31、n identical national adoption of IEC 61672-1:2013. ANSI/ASA S1.4-2014/Part 2 / IEC 61672-2:2013 is an identical national adoption of IEC 61672-2:2013. ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3:2013 is an identical national adoption of IEC 61672-3:2013. This nationally adopted international standard is

    32、 one of three standards that, taken together, revise and replace ANSI S1.4-1983 (R 2006), ANSI S1.4A-1985 (R 2006) and ANSI S1.43-1997 (R 2007). The subject matter in this document (Part 3) was not part of the superseded American National Standards. iii 2014 Acoustical Society of AmericaAll rights r

    33、eserved At the time this Standard was submitted to Accredited Standards Committee S1, Acoustics for approval, the membership was as follows: R.J. Peppin, Chair A. Scharine, Vice-Chair S.B. Blaeser, Secretary 3M Personal Safety Division, Detection Solutions . P.J. Battenberg M. Wurm (Alt.) Acoustical

    34、 Society of America . R.J. Peppin Air-Conditioning, Heating and Refrigeration Institute S.J. Lind D. Abbate (Alt.) American Industrial Hygiene Association D. Driscoll D. Sandfort (Alt.) Campanella Associates A.J. Campanella Casella USA R. Brauch ETS-Lindgren Acoustic Systems D. Winker M. Black (Alt.

    35、) G.R.A.S. Sound FAX: 631-923-2875; E-mail: asastdsacousticalsociety.org. AMERICAN NATIONAL STANDARD ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3:2013 2014 Acoustical Society of AmericaAll rights reserved 1 Electroacoustics Sound Level Meters Part 3: Periodic Tests 1 Scope This 2014 edition of ANSI/ASA S

    36、1.4-2014/Part 3 / IEC 61672-3 describes procedures for periodic testing of time-weighting, integrating-averaging, and integrating sound level meters that were designed to conform to the class 1 or class 2 specifications of the second edition of IEC 61672-1. The aim of the standard is to ensure that

    37、periodic testing is performed in a consistent manner by all laboratories. NOTE 1 In this document, references to IEC 61672-1, IEC 61672-2, and IEC 61672-3 refer to the second editions unless stated otherwise. U.S. INFORMATIVE NOTE In this document, references to IEC 61672-1, IEC 61672-2, and IEC 616

    38、72-3 refer to the three parts of ANSI/ASA S1.4-2014 / IEC 61672:2013. See the list provided in the Foreword. NOTE 2 Procedures for the periodic testing of sound level meters designed to conform to the specifications of IEC 61672-1:2002 were given in IEC 61672-3:2006. The purpose of periodic testing

    39、is to assure the user that the performance of a sound level meter conforms to the applicable specifications of IEC 61672-1 for a limited set of key tests and for the environmental conditions under which the tests were performed. The extent of the tests in this part of ANSI/ASA S1.4 / IEC 61672 is de

    40、liberately restricted to the minimum considered necessary for periodic tests. Periodic tests described in this edition of ANSI/ASA S1.4/Part 3 / IEC 61672-3 apply to sound level meters for which the manufacturer claims conformance to the specifications of the second edition of IEC 61672-1. Periodic

    41、tests described in this part of ANSI/ASA S1.4 / IEC 61672 apply to sound level meters for which the model has been, or has not been, pattern approved by an independent testing organization responsible for pattern approvals in accordance with the test procedures of the second edition of IEC 61672-2.

    42、Because of the limited extent of the periodic tests, if evidence of pattern approval is not publicly available, no general conclusion about conformance to the specifications of IEC 61672-1 can be made, even if the results of the periodic tests conform to all applicable requirements of this edition o

    43、f ANSI/ASA S1.4/Part 3 / IEC 61672-3. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the re

    44、ferenced document (including any amendments) applies. IEC 60942, Electroacoustics Sound calibrators IEC 61094-5, Measurement microphones Part 5: Methods for pressure calibration of working standard microphones by comparison ANSI/ASA S1.4-2014/Part 3 / IEC 61672-3:2013 2 2014 Acoustical Society of Am

    45、ericaAll rights reserved IEC 61094-6, Measurement microphones Part 6: Electrostatic actuators for determination of frequency response IEC 61183, Electroacoustics Random-incidence and diffuse-field calibration of sound level meters IEC 61672-1, Electroacoustics Sound level meters Part 1: Specificatio

    46、ns IEC 61672-2, Electroacoustics Sound level meters Part 2: Pattern evaluation tests IEC 62585, Electroacoustics Methods to determine corrections to obtain the free-field response of a sound level meter ISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty in

    47、measurement (GUM:1995) ISO/IEC Guide 99, International vocabulary of metrology Basic and general concepts and associated terms (VIM) 3 Submission for testing 3.1 An instruction manual applicable to the model and version of the sound level meter shall be available in order to perform periodic tests o

    48、f a sound level meter. If an applicable Instruction Manual is not submitted along with the sound level meter, nor available at the laboratory, nor publicly accessible from the Internet web site of the manufacturer or supplier of the sound level meter, then no periodic tests shall be performed. 3.2 T

    49、he source for the instruction manual shall be described in the documentation for the periodic tests. 3.3 All items or accessories for the sound level meter that are necessary for periodic testing shall accompany the sound level meter when it is submitted for testing. A device specified in the instruction manual for inserting electrical signals equivalent to signals from the microphone shall also be submitted if requested by the laboratory. 3.4 Periodic tests as described in this part of ANSI/ASA S1.4 / IEC 61672 shall not be p


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