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GB/T 15972.52-2008 English PDF

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GB/T 15972.52-2008: Specifications for optical fibre test methods -- Part 52: Measurement methods and test procedures for environmental characteristics -- Change of temperature
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 15972.52-2008	English	189	Add to Cart	3 days [Need to translate]	Specifications for optical fibre test methods -- Part 52: Measurement methods and test procedures for environmental characteristics -- Change of temperature	Valid	GB/T 15972.52-2008

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Basic data

Standard ID	GB/T 15972.52-2008 (GB/T15972.52-2008)
Description (Translated English)	Specifications for optical fibre test methods -- Part 52: Measurement methods and test procedures for environmental characteristics -- Change of temperature
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	M33
Classification of International Standard	33.180.10
Word Count Estimation	8,882
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Older Standard (superseded by this standard)	GB/T 15972.5-1998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 2423.22-2002; GB/T 15972.10-2008; GB/T 15972.32-2008; GB/T 15972.40-2008
Adopted Standard	IEC 60793-1-52-2001, 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 temperature performance measurement methods and test procedures. This section applies to determine the category A1 multimode fiber and B single-mode fiber in practical applications, storage and (or) that may occur during transport temperature change environmental conditions to adapt performance.

GB/T 15972.52-2008: Specifications for optical fibre test methods -- Part 52: Measurement methods and test procedures for environmental characteristics -- Change of temperature

---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 52. Measurement methods and test procedures for environmental characteristics Change of temperature. ICS 33.180.10 M33 National Standards of People's Republic of China Partially replace GB/T 15972.5-1998 Optical fiber test methods - Measurement methods and environmental performance. Part 52 Temperature cycling test program --- (IEC 60793-1-52.2001, Opticalfibres-Part 1-52. Measurementmethods andtestprocedures-Changeoftemperature, 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

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 1 test device 4 Sample 1 and Sample Preparation 5 Test Procedure 2 6 3 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); This portion of the GB/T 15972.5-1998 "total fiber specification - Part 5. Test methods for environmental properties," Chapter 5, the main changes compared to as follows. --- In order to avoid increasing the impact of any macro bending, circling diameter should be greater than 150mm (see Chapter 4); --- Deleted Figure 1, increasing the requirements for test conditions in Table 1 (the 1998 edition 5.4; 5.1 edition); --- Narrative content made some modifications. This section proposed by the People's Republic of China Ministry of Information Industry. This part of the jurisdiction of the China Communications Standards Association. This section is drafted. Wuhan Research Institute of Posts and Telecommunications. The main drafters of this section. Chen poetry, Li Haiqing, Liuze Heng, Cheng Shuling. This section first revision, it GB/T 15972.5 × other parts together instead of GB/T 15972.5-1998. Optical fiber test methods - Measurement methods and environmental performance. Part 52 Temperature cycling test program ---

1 Scope

This section GB/T 15972 specifies the assessment of fiber in a given environment, measurement methods and test procedures for temperature changes in performance. This section applies to determine the class A1 and class B multimode fiber single-mode fiber in practical applications, storage and (or) that may occur during transportation Adaptability under temperature changes in environmental conditions. Note. The test applicability to other types of optical fiber in the study.

2 Normative references

The following documents contain provisions which, through reference GB/T 15972 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 2423.22-2002 Environmental testing for electric and electronic products - Part 22. Test methods - Test N. Temperature change (IEC 60068-2-14. 1984, Environmentaltesting-Part 2. Tests-TestN. Changeoftemperature, MOD) GB/T 15972.10-2008 fiber test methods - Part 10. Measurement methods and test procedures --- General (IEC 60793-1-1.2002, Opticalfibres-Part 1-1. Measurementmethodsandtestprocedures-General andguidance, MOD) GB/T 15972.32-2008 fiber test methods - Part 32. Mechanical properties measurement methods and test procedures for coating --- Strippable coating (IEC 60793-1-32.2001, Opticalfibres-Part 1-32. Measurementmethodsandtestproce- dures-Coatingstrippability, MOD) GB/T 15972.40-2008 fiber test methods - Part 40. Measuring methods for transmission and optical characteristics and testing Program --- Attenuation (IEC 60793-1-40.2001, Opticalfibres-Part 1-40. Measurementmethodsandtestproce- dures-Attenuation, MOD)

3 test device

3.1 Test Chamber Nb according to GB/T 2423.22-2002 Test methods, test apparatus includes an environmental chamber. Chamber size should be able to content Satisfied that the test sample and ease of adjustment when measurement conditions, it is possible to maintain a predetermined temperature and humidity within the specified tolerance, the available air circulation Ring to maintain uniform conditions in the test chamber, while the chamber resettlement and related accessories should avoid condensation of water droplets onto the sample. 3.2 Other devices We need to complete other devices (such as a device specified in the detail specification) 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,

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