operated electrically

Introduced: September 1968

Full Title

Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid > operated electrically

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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G01L 23/085 CPC only CPC only
G01L 23/10 by pressure-sensitive members of the piezoelectric type IPC+CPC Available in IPC and CPC
G01L 23/12 by changing capacitance or inductance +1 CPC IPC+CPC Available in IPC and CPC
G01L 23/14 by electromagnetic elements +1 CPC IPC+CPC Available in IPC and CPC
G01L 23/16 by photoelectric means IPC+CPC Available in IPC and CPC
G01L 23/18 by resistance strain gauges IPC+CPC Available in IPC and CPC