G:	PHYSICS
G01:	MEASURING (counting G06M); TESTING
G01L:	MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
G01L1/00:	Measuring force or stress in general
G01L1/00B:	. by electrical means and not provided for in G01L1/06 - G01L1/22
G01L1/02:	. by hydraulic or pneumatic means
G01L1/04:	. by measuring elastic deformation of gauges, e.g. of springs
G01L1/04B:	. . of helical springs
G01L1/04C:	. . of leaf springs
G01L1/04D:	. . of spiral springs
G01L1/04E:	. . of torsionally deformable elements
G01L1/06:	. by measuring the permanent deformation of gauges, e.g. of compressed bodies
G01L1/08:	. by the use of counterbalancing forces automatic balancing arrangements for measuring electric variables in which a force or torque representing the measured value is balanced by a force or torque representing the reference value G01R17/08
G01L1/08B:	. . using hydraulic or pneumatic counterbalancing forces
G01L1/08C:	. . using electrostatic or electromagnetic counterbalancing forces
G01L1/10:	. by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings using piezo-resistive vibrators G01L1/18B
G01L1/10A:	. . optical excitation or measuring of vibrations
G01L1/10B:	. . Constructional details
G01L1/12:	. by measuring variations in the magnetic properties of materials resulting from the application of stress
G01L1/12A:	. . by using permanent magnets
G01L1/12B:	. . by using magnetostrictive means magnetostrictive devices in general H01L41/12; magnetostrictive sensors H01L41/12B
G01L1/12C:	. . by using inductive means G01L12/12A, G01L1/12B take precedence
G01L1/14:	. by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
G01L1/14A:	. . using capacitors
G01L1/14A2:	. . . with associated circuitry G01L1/14A4 and G01L1/14A6 take precedence
G01L1/14A4:	. . . for measuring force distributions, e.g. using force arrays G01L1/14A6 takes precedence
G01L1/14A6:	. . . using semiconductive material, e.g. silicon
G01L1/16:	. using properties of piezo-electric devices
G01L1/16B:	. . using piezo-electric resonators
G01L1/16B2:	. . . with acoustic surface waves
G01L1/16B4:	. . . optical excitation or measuring of vibrations
G01L1/18:	. using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
G01L1/18B:	. . by measuring variations of frequency of vibrating piezo-resistive material
G01L1/18B4:	. . . optical excitation or measuring of vibrations
G01L1/20:	. by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids ; by making use of electro-kinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
G01L1/20B:	. . using distributed sensing elements
G01L1/22:	. . using resistance strain gauges
G01L1/22B:	. . . Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
G01L1/22B2:	. . . . particularly adapted to unbounded-wire-type strain gauges
G01L1/22B7:	. . . . the supports being of the column type, e.g. cylindric, adapted for measuring a force along a single direction
G01L1/22B7B:	. . . . . the direction being perpendicular to the central axis
G01L1/22B8:	. . . . the supports being disc- or ring-shaped, adapted for measuring a force along a single direction
G01L1/22B8B:	. . . . . the direction being perpendicular to the central axis
G01L1/22B9:	. . . . the supports being parallelogram-shaped
G01L1/22C:	. . . Measuring circuits therefor
G01L1/22C2:	. . . . involving digital counting
G01L1/22C4:	. . . . involving simple electrical bridges
G01L1/22D:	. . . Arrangements for correcting or for compensating unwanted effects
G01L1/22D2:	. . . . for non linearity
G01L1/22D4:	. . . . for temperature variations
G01L1/22E:	. . . constructional details of the strain gauges adjustable resistors H01C10/00
G01L1/22E2:	. . . . of the semi-conductor type semi-conductor devices controllable by variations of applied mechanical force H01L29/84
G01L1/24:	. by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infra-red, visible light, ultra-violet
G01L1/24A:	. . by photoelastic stress analysis
G01L1/24B:	. . the material being an optical fibre
G01L1/24B2:	. . . using means for applying force perpendicular to the fibre axis
G01L1/24B2B:	. . . . using micro-bending
G01L1/24B4:	. . . using integrated gratings, e.g. Bragg gratings
G01L1/24D:	. . using distributed sensing elements, e.g. microcapsules along a single optical fibre G01L1/24B
G01L1/24F:	. . using infra-red G01L1/24A, G01L1/24B take precedence
G01L1/25:	. using wave or particle radiation, e.g. X-rays, microwaves , neutrons
G01L1/25B:	. . using acoustic waves, or acoustic emission G01L1/10 and G01L1/16 take precedence
G01L1/26:	. Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
G01L3/00:	Measuring torque, work, mechanical power, or mechanical efficiency in general
G01L3/02:	. Rotary-transmission dynamometers
G01L3/04:	. . wherein the torque-transmitting element comprises a torsionally-flexible shaft
G01L3/04A:	. . . by measuring variations of frequency of stressed vibrating elements
G01L3/06:	. . . involving mechanical means for indicating
G01L3/08:	. . . involving optical means for indicating
G01L3/10:	. . . involving electrical or magnetic means for indicating
G01L3/10A:	. . . . involving magnetic or electromagnetic means
G01L3/10A2:	. . . . . involving magnetostictive means magnetostrictive devices in general H01L41/12; magnetostrictive sensors H01L41/12B
G01L3/10A2M:	. . . . . . Details about the magnetic material used
G01L3/10A4:	. . . . . involving permanent magnets
G01L3/10A6:	. . . . . involving inductive means G01L3/10A2, G01L3/10A4 take precedence
G01L3/10B:	. . . . involving electrostatic means
G01L3/10C:	. . . . involving potentiometric means
G01L3/10D:	. . . . involving resistance strain gauges
G01L3/10E:	. . . . involving measuring phase difference of two signals or pulse trains
G01L3/12:	. . . . involving photoelectric means
G01L3/14:	. . wherein the torque-transmitting element is other than a torsionally-flexible shaft
G01L3/14A:	. . . involving springs
G01L3/14A2:	. . . . using mechanical or hydraulic transducers [M1204]
G01L3/14A4:	. . . . using optical transducers [M1204]
G01L3/14A6:	. . . . using electrical transducers [M1204]
G01L3/14A6A:	. . . . . involving magnetic or electromagnetic means
G01L3/14A6B:	. . . . . involving electrostatic means
G01L3/14A6C:	. . . . . involving potentiometric means
G01L3/14A6D:	. . . . . involving resistance strain gauges
G01L3/14B:	. . . involving screws and nuts, screw-gears or cams
G01L3/14B2:	. . . . using planet wheels or conical gears
G01L3/14C:	. . . involving hinged levers
G01L3/14D:	. . . involving fluidic means
G01L3/14E:	. . . involving electric couplings
G01L3/16:	. Rotary-absorption dynamometers, e.g. of brake type
G01L3/18:	. . mechanically actuated
G01L3/20:	. . fluid actuated fluid actuated brakes in general F16D57/00
G01L3/20A:	. . . of the air brake type air actuated brakes in general F16D57/00
G01L3/22:	. . electrically or magnetically actuated electrical or magnetic brakes in general H02K49/00
G01L3/24:	. Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolution per unit of time, by multiplying the values of tractive or propulsive force and velocity
G01L3/24B:	. . by measuring and simultaneously multiplying torque and velocity
G01L3/24C:	. . by measuring and simultaneously multiplying pressure and velocity
G01L3/24D:	. . by measuring and simultaneously multiplying tractive or propulsive force and velocity
G01L3/26:	. Devices for measuring efficiency, i.e. the ratio of power output to power input
G01L5/00:	Apparatus for, or methods of, measuring force, e.g. due to impact, work, mechanical power, or torque, adapted for special purposes
G01L5/00B:	. Force transducers adapted for mounting in a bore of the force receiving structure G01L5/00C takes precedence
G01L5/00C:	. Force sensors associated with a bearing testing of bearings G01M13/04
G01L5/00C2:	. . by using capacitive sensors
G01L5/00C4:	. . by using strain gages, piezo-electric, piezo-resistive or other ohmic-resistance based sensors [M1207]
G01L5/00C6:	. . by using magnetic sensors
G01L5/00D:	. Force sensors associated with force applying means G01L5/00H, G01L5/00K, G01L5/00M take precedence
G01L5/00D2:	. . applying a pulling force
G01L5/00D4:	. . applying a pushing force
G01L5/00D6:	. . applying a torque
G01L5/00G:	. measuring forces due to residual stresses
G01L5/00H:	. measuring forces due to impact G01L5/00M, G01L5/14 take precedence; impact testing of structures G01M7/08; impact testing of material G01N3/00
G01L5/00K:	. measuring forces due to spring-shaped elements
G01L5/00M:	. Force sensors associated with industrial machines or actuators for the specific machine or actuator involved see relevant class, e.g. F01, F04, F16, B66, E21
G01L5/00M2:	. . Calibration arrangements calibration of force sensors in general G01L25/00
G01L5/00M4:	. . Specific indicating arrangements, e.g. of overload
G01L5/00M8:	. . Force sensors associated with manufacturing machines G01L5/00M2, G01L5/00M4 and B23Q17/09 take precedence; for the specific machine or operation involved see relevant class, e.g. B21 to B42
G01L5/00M8B:	. . . Force sensors integrated in an article or a dummy workpiece
G01L5/00M8C:	. . . Force sensors adapted for insertion between cooperating machine elements, e.g. for measuring the nip force between rollers
G01L5/00M8D:	. . . Force sensors associated with material gripping devices manipulators in general G01L5/22
G01L5/00N:	. measuring work or mechanical power
G01L5/10C6:	. . . .  by using magnetic sensors[N1107]
G01L5/03:	. for measuring release force of ski safety bindings
G01L5/04:	. for measuring tension in ropes, cables, wires, threads, belts, bands or like flexible members specially adapted for the strings of tennis rackets A63B51/00M; G01L5/00B takes precedence
G01L5/04B:	. . by measuring vibrational characteristics of the flexible member
G01L5/04C:	. . for measuring the tension across the width of a band-shaped flexible member (measuring flatness G01B; metal rolling in general B21B)
G01L5/04D:	. . Specific indicating or recording arrangements, e.g. for remote indication, for indicating overload or underload
G01L5/06:	. . using mechanical means G01L5/04B, G01L5/04C take precedence
G01L5/08:	. . using fluid means G01L5/04B, G01L5/04C take precedence
G01L5/10:	. . using electrical means G01L5/04B, G01L5/04C take precedence
G01L5/10B:	. . . in which the sensor is inserted into the member
G01L5/10C:	. . . in which the sensor is located at a non-interrupted part of the member
G01L5/10D:	. . . in which the sensor is fixed at one end of the member
G01L5/10E:	. . . using electro-optical means
G01L5/10F:	. . . by measuring a reaction force applied on a cantilever beam
G01L5/10G:	. . . by measuring a reaction force applied on an element disposed between two supports, i.e. on a plurality of rollers or gliders
G01L5/10H:	. . . by measuring a reaction force applied on a single support or glider
G01L5/12:	. for measuring axial thrust in a rotary shaft, e.g. of propulsion plants
G01L5/13:	. for measuring the tractive or propulsive power of vehicles
G01L5/13B:	. . for measuring thrust of propulsive devices, e.g. of propellers aeroplanes B64C; marine propulsion B63H; jet-engines F02K
G01L5/13D:	. . Force sensors associated with a vehicle traction coupling vehicle connections B60D; control of vehicle brakes B60T
G01L5/14:	. for measuring the force of explosions; for measuring the energy of projectiles
G01L5/16:	. for measuring several components of force
G01L5/16B:	. . using variations in ohmic resistance
G01L5/16B2:	. . . of piezoresistors
G01L5/16B4:	. . . of potentiometers
G01L5/16C:	. . using variations in inductance
G01L5/16D:	. . using variations in capacitance
G01L5/16E:	. . using photoelectric means
G01L5/16F:	. . using piezo-electric means
G01L5/16G:	. . using counterbalancing forces
G01L5/18:	. for measuring ratios of force
G01L5/20:	. for measuring wheel side-thrust (in balancing G01M 47B28 )
G01L5/22:	. for measuring the force applied to control members, e.g. control members of vehicles, triggers
G01L5/22B:	. . to steering wheels, e.g. for power assisted steering
G01L5/22C:	. . to joystick controls
G01L5/22D:	. . to foot actuated controls, e.g. brake pedals
G01L5/22K:	. . to manipulators, e.g. the force due to gripping
G01L5/22K2:	. . . using tactile array force sensors
G01L5/24:	. for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
G01L5/24B:	. . using washers
G01L5/24D:	. . using acoustic waves for force in general G01L1/25B
G01L5/26:	. for determining the characteristic of torque in relation to revolutions per unit of time
G01L5/28:	. for testing brakes
G01L5/28B:	. . the vehicle wheels cooperating with rotatable rolls
G01L5/28C:	. . Measuring braking-time or braking distance
G01L5/28D:	. . Measuring deceleration deceleration in general G01P
G01L5/28E:	. . Measuring the force necessary to rotate a braked wheel
G01L7/00:	Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements G01L11/00E takes precedence
G01L7/02:	. in the form of elastically-deformable gauges
G01L7/02A:	. . constructional details e.g. mounting of elastically-deformable gauges G01L7/04A, G01L7/06A, G01L7/08A, G01L7/10A, G01L7/16A, G01L7/18A take precedence over G01L7/02A
G01L7/02B:	. . with mechanical transmitting or indicating means G01L7/04B, G01L7/06B, G01L7/08B, G01L7/10B, G01L7/16B, G01L7/18B take precedence over G01L7/02B
G01L7/02C:	. . with optical transmitting or indicating means G01L7/04C, G01L7/06C, G01L7/08C, G01L7/10C, G01L7/18C take precedence over G01L7/02C
G01L7/02D:	. . correcting or regulating means G01L7/04E, G01L7/06E, G01L7/08D, G01L7/10D take precedence over G01L7/02D
G01L7/04:	. . in the form of flexible, deformable tubes, e.g. Bourdon gauges
G01L7/04A:	. . . Construction or mounting of deformable tubes
G01L7/04B:	. . . with mechanical transmitting or indicating means
G01L7/04C:	. . . with optical transmitting or indicating means
G01L7/04D:	. . . with exhausted tubes
G01L7/04E:	. . . correcting or regulating means for flexible, deformable tubes
G01L7/06:	. . of the bellows type
G01L7/06A:	. . . construction or mounting of bellows
G01L7/06B:	. . . with mechanical transmitting or indicating means
G01L7/06C:	. . . with optical transmitting or indicating means
G01L7/06D:	. . . with exhausted bellows
G01L7/06E:	. . . correcting or regulating means for bellows
G01L7/08:	. . of the flexible-diaphragm type
G01L7/08A:	. . . construction or mounting of diaphragms of semiconductive diaphragms G01L9/00D1
G01L7/08B:	. . . with mechanical transmitting or indicating means
G01L7/08C:	. . . with optical transmitting or indicating means
G01L7/08D:	. . . correcting or regulating means for flexible diaphragms
G01L7/10:	. . of the capsule type
G01L7/10A:	. . . construction or mounting of capsules
G01L7/10B:	. . . with mechanical transmitting or indicating means
G01L7/10C:	. . . with optical transmitting or indicating means
G01L7/10D:	. . . correcting or regulating means for capsules
G01L7/12:	. . . with exhausted chamber; Aneroid barometers
G01L7/14:	. . . . with zero-setting means
G01L7/16:	. in the form of pistons
G01L7/16A:	. . construction or mounting of pistons
G01L7/16B:	. . with mechanical transmitting or indicating means
G01L7/18:	. using liquid as the pressure-sensitive medium, e.g. liquid-column gauges
G01L7/18A:	. . constructional details, e.g. mounting
G01L7/18B:	. . with mechanical transmitting or indicating means
G01L7/18C:	. . with optical transmitting or indicating means
G01L7/20:	. . involving a closed chamber above the liquid level, the chamber being exhausted or housing low-pressure gas; liquid barometers
G01L7/22:	. . involving floats, e.g. floating bells
G01L7/24:	. . involving balances in the form of rings partly filled with liquid
G01L9/00:	Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements G01L11/00E takes precedence ; 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
G01L9/00A:	. Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means G01L9/00B, G01L9/00C, G01L9/00E, G01L9/00F, G01L9/00G take precedence
G01L9/00A10:	. . using vibrations
G01L9/00A10A:	. . . of an element not provided for in the following subgroups of G01L9/00A10 (not used)
G01L9/00A10A2:	. . . . Optical excitation or measuring
G01L9/00A10B:	. . . of a string
G01L9/00A10B2:	. . . . Optical excitation or measuring of vibrations
G01L9/00A10C:	. . . of a diaphragm
G01L9/00A10C2:	. . . . Optical excitation or measuring
G01L9/00A10D:	. . . of a semiconductive element
G01L9/00A10D2:	. . . . Optical excitation or measuring
G01L9/00A10E:	. . . of a piezoelectric element
G01L9/00A10E2:	. . . . Optical excitation or measuring
G01L9/00A10E4:	. . . . with acoustic surface waves
G01L9/00A2:	. . using variations in ohmic resistance G01L9/00D2 takes precedence
G01L9/00A4:	. . using variations in inductance G01L9/00D4 takes precedence
G01L9/00A6:	. . using variations in capacitance G01L9/00D6 takes precedence
G01L9/00A8:	. . using photoelectric means G01L9/00D8 takes precedence
G01L9/00B:	. Transmitting or indicating the displacement of flexible, deformable tubes by electric, electro-mechanical, magnetic or electro-magnetic means G01L9/00A10 takes precedence; pressure sensitive flexible, deformable tubes in general 7/04
G01L9/00B2:	. . using variations in ohmic resistance
G01L9/00B4:	. . using variations in inductance
G01L9/00B6:	. . using variations in capacitance
G01L9/00B8:	. . using photoelectric means
G01L9/00C:	. Transmitting or indicating the displacement of bellows by electric, electro-mechanical, magnetic, or electro-magnetic means G01L9/00A10 takes precedence; pressure sensitive bellows in general G01L7/06
G01L9/00C2:	. . using variations in ohmic resistance
G01L9/00C4:	. . using variations in inductance
G01L9/00C6:	. . using variations in capacitance
G01L9/00C8:	. . using photoelectric means
G01L9/00D:	. Transmitting or indicating the displacement of flexible diaphragms pressure sensitive flexible diaphragms in general G01L7/08
G01L9/00D1:	. . [N: Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms (details about the integration or bonding of piezoresistor in or on the diaphragm G01L9/00D2B and G01L9/00D2C respectively)]
G01L9/00D10:	. . using piezoelectric devices piezoelectric resonators G01L9/00A10E; surface acoustic waves G01L9/00A10E4
G01L9/00D1B:	. . . Constructional details of non-semiconductive diaphragms
G01L9/00D1C:	. . . Diaphragm associated with a buried cavity
G01L9/00D1D:	. . . Diaphragm with non uniform thickness, e.g. with grooves, bosses or continuously varying thickness
G01L9/00D1E:	. . . Details about the mounting of the diaphragm to its support or about the diaphragm edges, e.g. notches, round shapes for stress relief
G01L9/00D1F:	. . . Non square semiconductive diaphragm
G01L9/00D2:	. . using variations in ohmic resistance
G01L9/00D2B:	. . . of piezoresistive elements circuits therefor G01L9/06
G01L9/00D2B2:	. . . . integral with a semiconducting diaphragm
G01L9/00D2B4:	. . . . bonded on a diaphragm
G01L9/00D2C:	. . . of potentiometers
G01L9/00D2D:	. . . of pressure sensitive conductive solid or liquid material, e.g. carbon granules
G01L9/00D2E:	. . . of metallic strain gauges fixed to an element other than the pressure transmitting diaphragm
G01L9/00D2E2:	. . . . using unbounded-wire-type strain gauges
G01L9/00D2E4:	. . . . using a fluid coupling between strain gauge carrier and diaphragm
G01L9/00D2E6:	. . . . the element and the diaphragm being in intimate contact
G01L9/00D2F:	. . . Mounting arrangements of diaphragm transducers; Details thereof, e.g. electromagnetic means (G01L9/00D1 takes precedence)
G01L9/00D2F10:	. . . .  Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation[N1107]
G01L9/00D2F12:	. . . .  Details about the housing (details of housing of pressure gauge in general G01L19/14)[N1107]
G01L9/00D2F12A:	. . . . .  One-part or moulded housings[N1107]
G01L9/00D2F12B:	. . . . .  Two-part housings[N1107]
G01L9/00D2F14:	. . . .  Details about the mechanical adaption of the sensor housing to the medium containing means, i.e. pipe, vessel, container or the like[N1107]
G01L9/00D2F16:	. . . .  Details about the electrical feedthrough, e.g. from the sensor support to the circuit board[N1107]
G01L9/00D2F16A:	. . . . .  from the sensor to its support[N1107]
G01L9/00D2F16B:	. . . . .  to the outside of the housing[N1107]
G01L9/00D2F2:	. . . . with additional isolating diaphragms[N9606]
G01L9/00D2F4:	. . . .  Details about the pressure input, e.g. airtight couplings, pulse damping, filter means, fire resistant means or specific differential pressure sensing means[N1107]
G01L9/00D2F6:	. . . . the transducer being mounted on a flexible element[N9605]
G01L9/00D2F8:	. . . .  Details about the mounting of sensor to support or covering means[N1107]
G01L9/00D4:	. . using variations in inductance
G01L9/00D6:	. . using variations in capacitance
G01L9/00D6B:	. . . using a semiconductive diaphragm
G01L9/00D6C:	. . . using a ceramic diaphragm, e.g. alumina, fused quartz, glass
G01L9/00D8:	. . using photoelectric means
G01L9/00D8B:	. . . for measuring reflected light
G01L9/00D8B2:	. . . . with Fabry-Perot arrangements
G01L9/00E:	. Transmitting or indicating the displacement of capsules by electric, electro-mechanical, magnetic, or electro-mechanical means G01L9/00A10 takes precedence; pressure sensitive capsules in general G01L7/10
G01L9/00E2:	. . using variations in ohmic resistance
G01L9/00E4:	. . using variations in inductance
G01L9/00E6:	. . using variations in capacitance
G01L9/00E8:	. . using photoelectric means
G01L9/00F:	. Transmitting or indicating the displacement of pistons by electrical, electro-mechanical, magnetic or electro-magnetic means G01L9/00A10 takes precedence; pressure sensitive pistons in general G01L7/16
G01L9/00G:	. Transmitting or indicating the displacement of liquid mediums by electrical, electro-mechanical, magnetic or electro-magnetic means G01L9/00A10 takes precededence; pressure sensitive liquid mediums in general G01L7/18
G01L9/00G2:	. . using variations in ohmic resistance
G01L9/00G4:	. . using variations in inductance
G01L9/00G6:	. . using variations in capacitance
G01L9/00G8:	. . using photoelectric means
G01L9/00T:	. using semiconductor body comprising at least one PN junction as detecting element
G01L9/02:	. by making use of variation in ohmic resistance, e.g. of potentiometers, , i.e. electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
G01L9/02T:	. . with temperature compensating means non electric temperature compensating means G01L19/04
G01L9/04:	. . of resistance-strain gauges
G01L9/04T:	. . . with electric temperature compensating means non electric temperature compensating means G01L19/04
G01L9/06:	. . of piezo-resistive devices
G01L9/06T:	. . . with temperature compensating means non electric temperature compensating means G01L19/04
G01L9/08:	. by making use of piezo-electric devices , i.e. electric circuits therefor
G01L9/08T:	. . with temperature compensating means non electric temperature compensating means G01L19/04
G01L9/10:	. by making use of variation in inductance , i.e. electric circuits therefor
G01L9/10T:	. . with temperature compensating means non electric temperature compensating means G01L19/04
G01L9/12:	. by making use of variation in capacitance , i.e. electric circuits therefor
G01L9/12T:	. . with temperature compensating means non electric temperature compensating means G01L19/04
G01L9/14:	. involving the displacement of magnets, e.g. electro-magnets
G01L9/16:	. by making use of variations in the magnetic properties of material resulting from the application of stress
G01L9/18:	. by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electric potential is produced or varied upon the application of stress
G01L11/00:	Measuring 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
G01L11/00D:	. by thermal means e.g. hypsometer
G01L11/00E:	. by the use of counterbalancing forces measuring force by the use of counterbalancing forces G01L1/08
G01L11/00E2:	. . hydraulic or pneumatic counterbalancing forces
G01L11/00E4:	. . electrostatic or electromagnetic counterbalancing forces
G01L11/02:	. by optical means
G01L11/02B:	. . using a pressure-sensitive optical fibre
G01L11/04:	. by acoustic means
G01L11/06:	. . Ultrasonic means
G01L13/00:	Devices or apparatus for measuring differences of two or more pressure values
G01L13/02:	. using elastically-deformable members or pistons as sensing elements
G01L13/02A:	. . using deformable tubes
G01L13/02B:	. . using bellows
G01L13/02C:	. . using diaphragms
G01L13/02C2:	. . . involving double diaphragm
G01L13/02D:	. . using capsules
G01L13/04:	. using floats or liquids as sensing elements
G01L13/06:	. using electric or magnetic pressure-sensitive elements
G01L15/00:	Devices or apparatus for measuring two or more pressure values simultaneously
G01L17/00:	Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
G01L17/00D:	. using a sensor contacting the exterior surface, e.g. for measuring deformation
G01L19/00:	Details 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
G01L19/00B:	. [N: Fluidic connecting means]
G01L19/00B10:	. . [N: using isolation membranes (G01L13/02C2 and G01L19/06D4 take precedence)]
G01L19/00B2:	. . using switching means
G01L19/00B4:	. . for flowthrough systems having a flexible pressure transmitting element
G01L19/00B6:	. . [N: using a detachable interface or adapter between the process medium and the pressure gauge]
G01L19/00B8:	. . [N: being part of the housing (other details about the housing G01L19/14)]
G01L19/00D:	.  Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature (for compensating only G01L9/02T, G01L9/04T, G01L9/06T, G01L9/08T, G01L9/10T, G01L9/12T, G01L19/02 or G01L19/04; measuring two or more variable G01D21/02; temperature sensors with pressure compensation G01K1/26)[C1107]
G01L19/00E:	. [N: Electrical connection means]
G01L19/00E2:	. . [N: from the sensor to its support]
G01L19/00E2B:	. . . [N: using buried connections]
G01L19/00E4:	. . [N: to the outside of the housing (other details about the housing see G01L19/14)]
G01L19/00S:	. [N: Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature (G01L9/02T, G01L9/04T, G01L9/06T, G01L9/08T, G01L9/10T, G01L9/12T, G01L19/02, G01L19/04 take precedence; measuring two or more variable G01D21/02; temperature sensors with pressure compensation G01K1/26)]
G01L19/02:	. Arrangements for preventing, or for compensating for, effects of inclination or acceleration of the measuring device; Zero-setting means
G01L19/04:	. Means for compensating for effects of changes of temperature , i.e. other than electric compensation electric compensation G01L9/02T, G01L9/04T, G01L9/06T, G01L9/08T, G01L9/10T or G01L9/12T
G01L19/06:	. Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L19/06B:	. . Pressure pulsation damping arrangements
G01L19/06C:	. . Overload protection
G01L19/06D:	. . Protection against aggressive medium in general
G01L19/06D2:	. . . using particle filters
G01L19/06D4:	. . . using isolation membranes, specially adapted for protection use of coupling membranes with a coupling fluid in general G01L9/00D2E4, G01L9/00D2F2
G01L19/06D6:	. . . against moisture or humidity
G01L19/06E:	. . Flame protection; Flame barriers
G01L19/06F:	. . Leakage or rupture protection or detection detection of leakage per se G01M3/00
G01L19/06G:	. . Protection against excessive heat
G01L19/06H:	. . [N: Protection against electromagnetic or electrostatic interferences]
G01L19/08:	. Means for indicating or recording, e.g. for remote indication
G01L19/08B:	. . electrical
G01L19/08C:	. . for remote indication
G01L19/10:	. . mechanical
G01L19/12:	. . Alarms or signals
G01L19/14:	. [N: Housings (G01L19/00B, G01L19/00E4, G01L19/00S, G01L19/04, G801L19/06 take precedence)]
G01L19/14B:	. . [N: Monolithic housings, e.g. molded or one-piece housings]
G01L19/14C:	. . [N: Multiple part housings]
G01L19/14C2:	. . . [N: Two part housings]
G01L19/14C4:	. . . [N: with dismountable parts, e.g. for maintenance purposes or for ensuring sterile conditions (for detachable interface or adapter between the process medium and the pressure gauge G01L19/00B6)]
G01L19/14D:	. . [N: with stress relieving means]
G01L19/14D2:	. . . [N: using flexible element between the transducer and the support]
G01L19/14E:	. . [N: Details about the mounting of the sensor to support or covering means]
G01L19/14F:	. . [N: Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation]
G01L19/14G:	. . [N: of immersion sensor, e.g. where the sensor is immersed in the measuring medium or for in vivo measurements, e.g. by using catheter tips (catheter tips per se A61M25/00T; pressure measurements in the body A61B5/00)]
G01L19/16:	. Dials; Mounting of dials
G01L21/00:	Vacuum gauges
G01L21/02:	. having a compression chamber in which gas, whose pressure is to be measured, is compressed
G01L21/04:	. . wherein the chamber is closed by liquid; vacuum gauges of the McLeod type
G01L21/06:	. . . actuated by rotating or inverting the measuring device
G01L21/08:	. by measuring variations in the transmission of acoustic waves through the medium, the pressure of which is to be measured
G01L21/10:	. by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured
G01L21/12:	. . measuring changes in electric resistance of measuring members, e.g. of filaments; Vacuum gauges of the Pirani type
G01L21/14:	. . using thermo-couples
G01L21/16:	. by measuring variation of frictional resistance of gases
G01L21/18:	. . using a pendulum
G01L21/20:	. . using members oscillating about a vertical axis
G01L21/22:	. . using resonance effects of a vibrating body; Vacuum gauges of the Klumb type
G01L21/24:	. . using rotating members; Vacuum gauges of the Langmuir type Langmuir probes for plasma diagnostics H05H1/00A
G01L21/26:	. by making use of radiometer action, i.e. of the pressure caused by the momentum of molecules passing from a hotter to a cooler member; Vacuum gauges of the Knudsen type
G01L21/28:	. . using torsional rotary measuring members
G01L21/30:	. by making use of ionisation effects
G01L21/32:	. . using electric discharge tubes with thermionic cathodes
G01L21/34:	. . using electric discharge tubes with cold cathodes
G01L21/36:	. . using radioactive substances
G01L23/00:	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
G01L23/02:	. mechanically indicating or recording and involving loaded or return springs
G01L23/04:	. involving means subjected to known counter-acting pressure
G01L23/06:	. Indicating or recording by optical means
G01L23/08:	. operated electrically G01L23/22 takes precedence
G01L23/08B:	. . by measuring fluctuations of starter motor current or of battery voltage battery testing arrangements G01R31/36; testing of electrical installation on transport means G01R31/00T; battery testing arrangements G01R31/36
G01L23/10:	. . by pressure-sensitive members of the piezo-electric type
G01L23/12:	. . by changing capacitance or inductance
G01L23/12A:	. . . by changing capacitance
G01L23/14:	. . by electromagnetic elements
G01L23/14A:	. . . by magnetostrictive elements
G01L23/16:	. . by photoelectric means
G01L23/18:	. . by resistance strain gauges
G01L23/20:	. combined with planimeters or integrators
G01L23/22:	. for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
G01L23/22B:	. . for detecting or indicating knocks in internal combustion engines
G01L23/22B2:	. . . using piezoelectric devices
G01L23/22B4:	. . . using magnetic or magnetostrictive means
G01L23/22B6:	. . . circuit arrangements therefor
G01L23/22B6F:	. . . . using specific filtering
G01L23/22B6S:	. . . . using numerical analyses
G01L23/24:	. specially adapted for measuring pressure in inlet or exhaust ducts of internal-combustion engines
G01L23/26:	. Details or accessories
G01L23/28:	. . Cooling means
G01L23/30:	. . Means for indicating consecutively positions of pistons or cranks of internal-combustion engines in combination with pressure indicators
G01L23/32:	. . Apparatus specially adapted for recording pressure changes measured by indicators
G01L25/00:	Testing or calibrating of apparatus for measuring force, work, torque, mechanical power, or mechanical efficiency
G01L25/00C:	. for measuring torque
G01L25/00D:	. for measuring work or mechanical power or mechanical efficiency
G01L27/00:	Testing or calibrating of apparatus for measuring fluid pressure
G01L27/00C:	. Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination calibration of sensors per se G01D18/00
G01L27/00C2:	. . Apparatus for calibrating pressure sensors
G01L27/00D:	. Malfunction diagnosis, i.e. diagnosing a sensor defect malfunction detection of sensor not measuring a specific variable per se G01D3/08
G01L27/02:	. of indicators