G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
G01F23/00—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
G01F23/02—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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
Landscapes
Physics & Mathematics
(AREA)
Fluid Mechanics
(AREA)
General Physics & Mathematics
(AREA)
Underground Structures, Protecting, Testing And Restoring Foundations
(AREA)
Dispositif de guidage pour le guidage en partie haute et/ou basse d'un organe d'obturation et système d'obturation comportant un tel dispositif de guidage.