Indicating, recording, or alarm devices actuated electrically

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 > Indicating, recording, or alarm devices actuated electrically

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME