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BS 90:1975

M00007181

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BS 90:1975 Specification for direct-acting electrical recording instruments and their accessories

standard by BSI Group, 02/28/1975

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$128.02

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$304.80

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Full Description

Defines and classifies accuracy classes, methods of determining intrinsic error and variations for measured quantity and time-keeping, lists influence quantities, electrical and mechanical requirements, marking requirements and symbols. Concept used and effect of friction between marking device and chart explained in appendices.

Cross References:
BS 1991:Part 6
BS 2011
BS 3939
BS 4727:Part 1:Group 04
BS 5164