BS 89-4:1990

Original price was: $160.02.Current price is: $80.00.

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

BSI Group , 08/31/1990

Pages: 14

Category:
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