• BS 89-4:1990

BS 89-4:1990

Direct acting indicating analogue electrical measuring instruments and their accessories-Specification for special requirements for frequency meters

BSI Group , 08/31/1990

Publisher: BS

File Format: PDF

$80.00$160.02


Classification, construction, marking, electrical and mechanical requirements, and tests for analogue frequency meters. To be read in conjunction with BS 89:Part 1Cross References:BS 89:Part 1BS 89:Part 9

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