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  • BSI
    BS 9721:1985 Sectional specification for signal transformers of assessed quality for use in electronic equipment for capability approval
    Edition: 1985
    $313.97
    / user per year

Description of BS 9721:1985 1985

This British Standard specifies inspection requirements and tests from which a selection is made when preparing a detail specification for signal transformers to be released under the terms of BS 9720 capability approval. It includes a blank detail specification (BDS), which shows the format, and indicates which tests are considered to be appropriate to this type of component; although the final selection of tests to be included in the inspection schedule is at the discretion of the specification writer. It also lists appropriate ratings and characteristics.

The components covered by this standard are essentially concerned with uni-directional and bi-directional transfer of signals (information) from one section of a circuit to another. These signals may have some power content and may cover a band of frequencies.



Lists ratings, characteristics and appropriate tests and gives other information necessary for the completion of detail specifications for signal transformers written in association with capability approval.

Standard NumberBS 9721:1985
TitleSectional specification for signal transformers of assessed quality for use in electronic equipment for capability approval
StatusConfirmed
Publication Date1985-09-30
ReplacesBS 9722:1978
DescriptorsQuality control, Detail specification, Quality assurance systems, Layout, Approval testing, Electrical equipment, Pulse transformers, Electronic equipment and components, Inspection, Transformers, Control transformers, Capability approval, Assessed quality, Specification (approval)
ICS29.180 Transformers. Reactors
CommitteeEPL/51
ISBN0 580 14379 1
PublisherBSI
Pages16

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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