Defines and classifies instruments using a null balance method and needing an auxiliary electrical supply. Permissible intrinsic errors, reference conditions and variations for measured quantity and time-keeping for recording instruments. Also electrical, mechanical, constructional and marking requirements. Cross References:BS 89:Part 1BS 90BS 1991:Part 6BS 2011BS 3693BS 3939BS 4727
BS 5164:1975
Original price was: $309.88.$154.00Current price is: $154.00.
Specification for indirect-acting electrical indicating and recording instruments and their accessories
BSI Group , 02/28/1975
Pages: 40
