Industry
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CPC
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G01L
Sub Industries
G01L1/00Measuring force or stress in general
G01L11/00Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
G01L13/00Devices or apparatus for measuring differences of two or more pressure values
G01L15/00Devices or apparatus for measuring two or more pressure values simultaneously
G01L17/00Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L21/00Vacuum gauges
G01L23/00Devices 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
G01L25/00Testing or calibrating of apparatus for measuring force, work, torque, mechanical power, or mechanical efficiency
G01L27/00Testing or calibrating of apparatus for measuring fluid pressure
G01L3/00Measuring torque, work, mechanical power, or mechanical efficiency in general
G01L5/00Apparatus for, or methods of, measuring force
G01L7/00Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
G01L9/00Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material by electric or magnetic means
