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GB/T 15972.51-2008 English PDF

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GB/T 15972.51-2008: Specifications for optical fibre test methods -- Part 51: Measurement methods and test procedures for environmental characteristics -- Dry heat
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GB/T 15972.51-2008English169 Add to Cart 3 days [Need to translate] Specifications for optical fibre test methods -- Part 51: Measurement methods and test procedures for environmental characteristics -- Dry heat Valid GB/T 15972.51-2008

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Basic data

Standard ID GB/T 15972.51-2008 (GB/T15972.51-2008)
Description (Translated English) Specifications for optical fibre test methods -- Part 51: Measurement methods and test procedures for environmental characteristics -- Dry heat
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M33
Classification of International Standard 33.180.10
Word Count Estimation 7,764
Date of Issue 2008-03-31
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) GB/T 15972.5-1998
Quoted Standard GB/T 2423.2-2001; GB/T 15972.10-2008; GB/T 15972.32-2008; GB/T 15972.40-2008
Adopted Standard IEC 60793-1-51-2001, MOD
Regulation (derived from) Announcement of Newly Approved National Standards No. 5, 2008 (No. 118 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the assessment of fiber in a given environment, dry heat measurement methods and test procedures. This section applies to determine the category A1 multimode fiber-optic and class B single-mode fiber in practical applications, storage and (or) that may occur during transport temperature (dry heat) environmental conditions to adapt performance.

GB/T 15972.51-2008: Specifications for optical fibre test methods -- Part 51: Measurement methods and test procedures for environmental characteristics -- Dry heat


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specifications for optical fibre test methods Part 51. Measurement methods and test procedures for environmental characteristics Dry heat. ICS 33.180.10 M33 National Standards of People's Republic of China Optical fiber test methods - Part 51. Methods of measurement of environmental performance and Test procedure --- dry heat (IEC 60793-1-51.2001, Opticalfibres- Part 1-51. Measurementmethodsandtestprocedures- Dryheat, MOD) Posted 2008-11-01 2008-03-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 1 test device 4 Sample 1 and Sample Preparation 5 Test Procedure 2 6 2 eligibility criteria

7 Results

Foreword

GB/T 15972 "fiber test methods" consists of several components, the structure and its expected international standards and will replace the corresponding national Criteria. --- Part 10 - Part 19. Measurement methods and test procedures - General (corresponding to IEC 60793-1-10 to IEC 60793-1-19; Replacing GB/T 15972.1-1998); 3.1 Test Chamber GB/T 2423.2-2001 Test B, the test device includes an environmental chamber. Chamber size should be able to accommodate the test Sample, the sample can not be subject to direct radiant heat and easy to adjust when the measurement conditions, it can be maintained at a predetermined temperature within a predetermined tolerance, Available air circulation to maintain uniform conditions of the test chamber. 3.2 Other devices We need to complete additional device (or devices such as a detail specification of) test and measurement necessary.

4 Sample and Sample Preparation

Attenuation measurement repeatability, the fiber sample length to achieve the required fiber for A1 class should be at least 1000m, the class B fiber to be Least 2000m. Exposed outside the chamber should be as short fiber, 10% more than if the exposed portion of the total length of the sample, It is advised to record instructions.

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