Optical fibres. Measurement methods. Microbending sensitivity1 Scope IEC 62221 , which is a technical report, describes four methods (A, B, C and D) for the measurement of microbending sensitivity of optical fibres. These four methods are distinguished by the equipment being used for measurements and their applications: method A using an expandable drum and applies to category A1 and class B fibres; method B using a fixed diameter drum and applies to category A1 and class B fibres; method C using a plate and

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including under fully or partly reversed loading conditions when the specimen is clamped by hydraulic grips without support fixtures

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1 - Discrete semiconductor devices used in electronic components about

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The general and safety requirements provided by BS 5724-2