DIFF Subgroup
G01R 11/56 Special tariff meters
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption > Special tariff meters
CPC:
Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption (monitoring electric consumption of electrically-propelled vehicles B60L3/00) > Special tariff meters
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G01R 11/57 Multi-rate meters (G01R11/63 takes precedence) since 1974 IPC+CPC Available in IPC and CPC
- G01R 11/60 Subtraction meters; Meters measuring maximum or minimum load hours IPC+CPC Available in IPC and CPC
- G01R 11/63 Over-consumption meters, e.g. measuring consumption while a predetermined level of power is exceeded since 1974 IPC+CPC Available in IPC and CPC
- G01R 11/64 Maximum meters, e.g. tariff for a period is based on maximum demand within that period IPC+CPC Available in IPC and CPC