FR2719375B1 - Method for compensating thermal drifts of a bridge of pressure measurement gauges. - Google Patents

Method for compensating thermal drifts of a bridge of pressure measurement gauges.

Info

Publication number
FR2719375B1
FR2719375B1 FR9405163A FR9405163A FR2719375B1 FR 2719375 B1 FR2719375 B1 FR 2719375B1 FR 9405163 A FR9405163 A FR 9405163A FR 9405163 A FR9405163 A FR 9405163A FR 2719375 B1 FR2719375 B1 FR 2719375B1
Authority
FR
France
Prior art keywords
bridge
pressure measurement
compensating thermal
thermal drifts
measurement gauges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9405163A
Other languages
French (fr)
Other versions
FR2719375A1 (en
Inventor
Philippe Coni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales Avionics SAS filed Critical Thales Avionics SAS
Priority to FR9405163A priority Critical patent/FR2719375B1/en
Publication of FR2719375A1 publication Critical patent/FR2719375A1/en
Application granted granted Critical
Publication of FR2719375B1 publication Critical patent/FR2719375B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2268—Arrangements for correcting or for compensating unwanted effects
    • G01L1/2281—Arrangements for correcting or for compensating unwanted effects for temperature variations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or 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
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or 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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/04—Measuring steady of quasi-steady pressure of fluid or 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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
    • G01L9/045—Measuring steady of quasi-steady pressure of fluid or 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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges with electric temperature compensating means
FR9405163A 1994-04-28 1994-04-28 Method for compensating thermal drifts of a bridge of pressure measurement gauges. Expired - Fee Related FR2719375B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9405163A FR2719375B1 (en) 1994-04-28 1994-04-28 Method for compensating thermal drifts of a bridge of pressure measurement gauges.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9405163A FR2719375B1 (en) 1994-04-28 1994-04-28 Method for compensating thermal drifts of a bridge of pressure measurement gauges.

Publications (2)

Publication Number Publication Date
FR2719375A1 FR2719375A1 (en) 1995-11-03
FR2719375B1 true FR2719375B1 (en) 1996-07-26

Family

ID=9462625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9405163A Expired - Fee Related FR2719375B1 (en) 1994-04-28 1994-04-28 Method for compensating thermal drifts of a bridge of pressure measurement gauges.

Country Status (1)

Country Link
FR (1) FR2719375B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1448968B1 (en) * 1964-12-23 1971-02-04 Siemens Ag Transmitter with a circuit of strain-sensitive resistors arranged on an expansion body
US4463274A (en) * 1982-02-01 1984-07-31 Motorola, Inc. Temperature compensation circuit for pressure sensor
JPH0797010B2 (en) * 1986-03-26 1995-10-18 株式会社日立製作所 Semiconductor strain gage bridge circuit
FR2690524B1 (en) * 1992-04-24 1997-09-26 Sextant Avionique METHOD FOR TEMPERATURE COMPENSATION OF A BRIDGE OF PRESSURE MEASUREMENT.

Also Published As

Publication number Publication date
FR2719375A1 (en) 1995-11-03

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Effective date: 20111230