GB/T 15972.21-2008Specifications for optical fibre test methods -- Part 121: Measurement methods and test procedures for dimensions -- Coating geometry (English PDF)
光纤试验方法规范 第21部分：尺寸参数的测量方法和试验程序 涂覆层几何参数
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Issued by
Standardization Administration of China
Level / Type
National · Recommended
Issue date
March 31, 2008
Implementation date
November 1, 2008
Scope
GB/T 15972.21-2008 is the English-translated version of 光纤试验方法规范 第21部分：尺寸参数的测量方法和试验程序 涂覆层几何参数.
GB/T 15972.21-2008 — This section GB/T 15972 specifies the test method for measuring optical fiber preform coating geometric parameters, to establish a uniform test process measurement Procedures and technical requirements.
This section applies to Class A and Class B multi-mode fiber single-mode fiber measurement and inspection finished commercial fiber optic cable.
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Document preview — GB/T 15972.21-2008
National Standard of the People's Republic of China
- ICS
- 33.180.10
- Classification
- M 33
- Replacing
- GB/T 15972.2-1998
Issued by: Standardization Administration of China
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies the measurement fiber top coat layer geometry night test methods, establish a unified measurement test procedures and technical requirements. This section applies to Class A and Class B multimode fiber single-mode fiber optic cable fiber optic measurement and finished commercial test.
Document data
International classification (ICS): 33.180.10.
Chinese classification (CCS): M33.
Estimated length of the Chinese original: 11,171 words.
Adopted international standard: IEC 60793-1-21-2001, MOD.
Supersedes the earlier edition GB/T 15972.2-1998.
Standards quoted by this document
GB/T 15972.10-2008; GB/T 15972.20-2008
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 15972.10-2008Specifications for optical fibre test methods - Part 10: Measurement methods and test procedures - General and guidance
- GB/T 15972.20-2008Specifications for optical fibre test methods - Part 20: Measurement methods and test procedures for dimensions - Fibre geometry
GB/T 15972 · IEC 60973 · IEC 60793
Cited by
- GB/T 28504.4-2025Rare earth doped optical fibre - Part 4: Characteristics of erbium-doped optical fibre
- GB/T 12357.1-2024Multimode optical fibres for telecommunication - Part 1: Sectional specification for category A1 multimode fibres
- GB/T 15972.10-2021Specifications for optical fibre test methods - Part 10: Measurement methods and test procedures - General and guidance
- GB/T 15972.31-2021Specifications for optical fibre test methods - Part 31: Measurement methods and test procedures for mechanical characteristics - Tensile strength
- JB/T 11167.2-2011AC long-length submarine cables with cross-linked polyethylene insulation and their accessories for rated voltages from 10 kV (Um=12 kV) up to 110 kV (Um=126 kV) - Part 2: Cables
- GB/T 12357-1990Multimode optical fibres for telecommunication - Part 1: Sectional specification for category A1 multimode fibres
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Related Standards
GB/T 15972.10-2021 — Specifications for optical fibre test methods - Part 10: Measurement methods and test procedures - General and guidance
GB/T 15972.20-2021 — Specifications for optical fibre test methods - Part 20: Measurement methods and test procedures for dimensions - Fibre geometry
GB/T 15972.22-2008 — Specifications for optical fibre test methods -- Part 22: Measurement methods and test procedures for dimensions -- Length measurement
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GB/T 15972.21-2008
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