This standard specifies the technical requirements, test methods and inspection rules for pressure gauge gear transmission mechanisms. This standard applies to pressure gauge gear transmission mechanisms used in general pressure gauges and similar pressure gauges. This standard applies to movements made of metal materials. This standard does not apply to movements used in precision pressure gauges.
JB/T 9278-1999 history
1999JB/T 9278-1999 Gears movement specification of pressure gauge