1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21628-3 SANS 60793-1-1:2008 Edition 3 IEC 60793-1-1:2008 Edition 3SOUTH AFRICAN NATIONAL STANDARD Optical fibres Part 1-1: Measurement met
4、hods and test procedures General and guidance This national standard is the identical implementation of IEC 60793-1-1:2008 and is adopted with the permission of the International Electrotechnical Commission. Published by Standards South Africa 1 dr lategan road groenkloof private bag x191 pretoria 0
5、001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 60793-1-1:2008 Edition 3 IEC 60793-1-1:2008 Edition 3 Table of changes Change No. Da
6、te Scope National foreword This South African standard was approved by National Committee StanSA SC 74A, Communication technology Fibre optics, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in August 200
7、8. This SANS document supersedes SANS 60793-1-1:2003 (edition 2). This standard may only be used and printed by approved subscription and freemailing clients of the SABS. IEC 60793-1-1 Edition 3.0 2008-04 INTERNATIONAL STANDARD Optical fibres Part 1-1: Measurement methods and test procedures General
8、 and guidance INTERNATIONAL ELECTROTECHNICAL COMMISSION K ICS 33.180.10 PRICE CODE ISBN 2-8318-9678-9SANS 60793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS. 2 60793-1-1 IEC:2008(E) CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope and obje
9、ct6 2 Normative references .6 3 Terms and definitions .7 4 Measurement and test categories.7 5 Standard atmospheric measurement and test conditions 9 6 Calibration guidance.9 7 Reference test methods10 8 Categories of optical fibres.10 9 Packaging 10 Table 1 Standard range of atmospheric conditions.
10、9 SANS 60793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.60793-1-1 IEC:2008(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRES Part 1-1: Measurement methods and test procedures General and guidance FOREWORD 1) The Inter
11、national Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and elect
12、ronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committee
13、s; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for St
14、andardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has
15、 representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurat
16、e, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional
17、publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity wi
18、th an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any person
19、al injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative refer
20、ences cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for
21、identifying any or all such patent rights. International Standard IEC 60793-1-1 has been prepared by subcommittee 86A: Fibres and cables, of IEC technical committee 86: Fibre optics. This third edition cancels and replaces the second edition published in 2002. The main changes with regard to the pre
22、vious edition concern: re-wording of Clause 8: Categories of optical fibres; removal of Clause 10: Cross-reference of former test designations to current documents removal of the bibliography. SANS 60793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clie
23、nts of the SABS. 4 60793-1-1 IEC:2008(E) The text of this standard is based on the following documents: CDV Report on voting 86A/1127/CDV 86A/1156/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication
24、has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of the IEC 60793 series, published under the general title Optical fibres, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintena
25、nce result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date.
26、 SANS 60793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.60793-1-1 IEC:2008(E) 5 INTRODUCTION Publications in the IEC 60793-1 series concern measurement methods and test procedures as they apply to optical fibres. Within the same ser
27、ies, several different areas are grouped, as follows: Parts 1-10 to 1-19: General Parts 1-20 to 1-29: Measurement methods and test procedures for dimensions Parts 1-30 to 1-39: Measurement methods and test procedures for mechanical characteristics Parts 1-40 to 1-49: Measurement methods and test pro
28、cedures for transmission and optical characteristics Parts 1-50 to 1-59: Measurement methods and test procedures for environmental characteristics. SANS 60793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS. 6 60793-1-1 IEC:2008(E) OPTI
29、CAL FIBRES Part 1-1: Measurement methods and test procedures General and guidance 1 Scope and object This part of IEC 60793 lists and gives guidance on the use of documents giving the uniform requirements for measuring and testing optical fibres, thereby assisting in the inspection of fibres and cab
30、les for commercial (mostly telecommunications) purposes. The individual measurement and test methods are contained in the different parts of the IEC 60793 series. They are identified as IEC 60793-1-X, where “X“ is an assigned sub-part number, indicating its affiliation to IEC 60793-1. In general, me
31、asurements and tests methods apply to all class A multimode fibres and Class B single-mode optical fibres covered by the IEC 60793-2 series, although there may be exceptions. Clause 1 of each part of IEC 60793 contains the scope for each particular attribute. 2 Normative references The following ref
32、erenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60793 (all parts), Optical fibres IEC 60793-1-20, Optical fibr
33、es Part 1-20: Measurement methods nd test procedures Fibre geometry IEC 60793-1-21, Optical fibres Part 1-21: Measurement methods and test procedures Coating geometry IEC 60793-1-22, Optical fibres Part 1-22: Measurement methods and test procedures Length measurement IEC 60793-1-30, Optical fibres P
34、art 1-30: Measurement methods and test procedures Fibre proof test IEC 60793-1-31, Optical fibres Part 1-31: Measurement methods and test procedures Tensile strength IEC 60793-1-32, Optical fibres Part 1-32: Measurement methods and test procedures Coating strippability IEC 60793-1-33, Optical fibres
35、 Part 1-33: Measurement methods and test procedures Stress corrosion susceptibility IEC 60793-1-34, Optical fibres Part 1-34: Measurement methods and test procedures Fibre curl SANS 60793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.
36、60793-1-1 IEC:2008(E) 7 IEC 60793-1-40, Optical fibres Part 1-40: Measurement methods and test procedures Attenuation IEC 60793-1-41, Optical fibres Part 1-41: Measurement methods and test procedures Bandwidth IEC 60793-1-42, Optical fibres Part 1-42: Measurement methods and test procedures Chromati
37、c dispersion IEC 60793-1-43, Optical fibres Part 1-43: Measurement methods and test procedures Numerical aperture IEC 60793-1-44, Optical fibres Part 1-44: Measurement methods and test procedures Cut- off wavelength IEC 60793-1-45, Optical fibres Part 1-45: Measurement methods and test procedures Mo
38、de field diameter IEC 60793-1-46, Optical fibres Part 1-46: Measurement methods and test procedures Monitoring of changes in optical transmitttance IEC 60793-1-47, Optical fibres Part 1-47: Measurement methods and test procedures Macrobending loss IEC 60793-1-48, Optical fibres Part 1-48: Measuremen
39、t methods and test procedures Polarization mode dispersion IEC 60793-1-49, Optical fibres Part 1-49: Measurement methods and test procedures Differential mode delay IEC 60793-1-50, Optical fibres Part 1-50: Measurement methods and test procedures Damp heat (steady state) IEC 60793-1-51, Optical fibr
40、es Part 1-51: Measurement methods and test procedures Dry heat IEC 60793-1-52, Optical fibres Part 1-52: Measurement methods and test procedures Change of temperature IEC 60793-1-53, Optical fibres Part 1-53: Measurement methods and test procedures Water immersion IEC 60793-1-54 Optical fibres Part
41、1-54: Measurement methods and test procedures Gamma irradiation IEC 60793-2, Optical fibres Product specifications General IEC 61931:1998, Fibre optic Terminology 3 Terms and definitions For the purposes of this document, the terms and definitions of IEC 61931 apply. 4 Measurement and test categorie
42、s The categories include: SANS 60793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS. 8 60793-1-1 IEC:2008(E) a) parameter measurements; b) performance measurements; c) compliance tests. According to several different areas, the tests a
43、re grouped, as follows: Parts 1-10 to 1-19: General Parts 1-20 to 1-29: Measurement methods and test procedures for dimensions IEC 60793-1-20 IEC 60793-1-21 IEC 60793-1-22 Parts 1-30 to 1-39: Measurement methods and test procedures for mechanical characteristics IEC 60793-1-30 IEC 60793-1-31 IEC 607
44、93-1-32 IEC 60793-1-33 IEC 60793-1-34 Parts 1-40 to 1-49: Measurement methods and test procedures for transmission and optical characteristics IEC 60793-1-40 IEC 60793-1-41 IEC 60793-1-42 IEC 60793-1-43 IEC 60793-1-44 IEC 60793-1-45r IEC 60793-1-46 IEC 60793-1-47 IEC 60793-1-48 IEC 60793-1-49 SANS 6
45、0793-1-1:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS.60793-1-1 IEC:2008(E) 9 Parts 1-50 to 1-59: Measurement methods and test procedures for environmental characteristics. IEC 60793-1-50 IEC 60793-1-51 IEC 60793-1-52 IEC 60793-1-53 IEC
46、60793-1-54 5 Standard atmospheric measurement and test conditions Standard atmospheric conditions need to be controlled within some range to ensure proper correlation of data obtained from measurements and tests conducted in various facilities. Conduct measurement and test conditions under the follo
47、wing atmospheric conditions, unless otherwise specified. In some cases, special ambient conditions may be needed and can be specified in the detail specification. Table 1 gives the standard range of atmospheric conditions for carrying out measurements and tests: Table 1 Standard range of atmospheric
48、 conditions Condition Standard Temperature 23 C 5 C Relative humidity 45 % 25 % Atmospheric pressure (limits are inclusive) Site ambient Keep variations in ambient temperature and humidity to a minimum during a series of measurements. 6 Calibration guidance The process of calibration may be defined
49、as the set of operations which establish, under specified conditions, the relationship between values indicated by a measuring system and the known values of a reference material. Once established, this relationship may be used to adjust the measuring system to correct for measurement bias. Adjustment of the system may, for example, take the form of hardware or a software adjustment. Follow the i
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