IPC Subgroup
G01F 23/14 by measurement of pressure
Introduced: September 1968
Last revised: January 2006
Full Title
Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm > by measurement of pressure
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME
2 direct subcodes
Child Classifications
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- G01F 23/16 Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
- G01F 23/18 Indicating, recording, or alarm devices actuated electrically