GB2113849B - Two-wire differential pressure transmitter - Google Patents

Two-wire differential pressure transmitter

Info

Publication number
GB2113849B
GB2113849B GB8236449A GB8236449A GB2113849B GB 2113849 B GB2113849 B GB 2113849B GB 8236449 A GB8236449 A GB 8236449A GB 8236449 A GB8236449 A GB 8236449A GB 2113849 B GB2113849 B GB 2113849B
Authority
GB
United Kingdom
Prior art keywords
differential pressure
pressure transmitter
wire differential
wire
transmitter
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
Application number
GB8236449A
Other versions
GB2113849A (en
Inventor
Hisaki Masuda
Akira Ishii
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB2113849A publication Critical patent/GB2113849A/en
Application granted granted Critical
Publication of GB2113849B publication Critical patent/GB2113849B/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
GB8236449A 1981-12-26 1982-12-22 Two-wire differential pressure transmitter Expired GB2113849B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21432581A JPS58114199A (en) 1981-12-26 1981-12-26 2-wire type differential pressure transmitter

Publications (2)

Publication Number Publication Date
GB2113849A GB2113849A (en) 1983-08-10
GB2113849B true GB2113849B (en) 1985-05-30

Family

ID=16653880

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8236449A Expired GB2113849B (en) 1981-12-26 1982-12-22 Two-wire differential pressure transmitter

Country Status (2)

Country Link
JP (1) JPS58114199A (en)
GB (1) GB2113849B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535458B1 (en) * 1982-10-29 1985-06-14 Flopetrol Etu Fabrications PRESSURE AND TEMPERATURE SENSOR
US4592002A (en) * 1983-12-13 1986-05-27 Honeywell Inc. Method of digital temperature compensation and a digital data handling system utilizing the same
JPH0797010B2 (en) * 1986-03-26 1995-10-18 株式会社日立製作所 Semiconductor strain gage bridge circuit
US4807151A (en) * 1986-04-11 1989-02-21 Purdue Research Foundation Electrical technique for correcting bridge type mass air flow rate sensor errors resulting from ambient temperature variations
GB8705192D0 (en) * 1987-03-05 1987-04-08 Secr Defence Transducer signal conditioner
FR2615618B1 (en) * 1987-05-22 1990-11-30 Crouzet Sa DIGITAL COMPENSATION PRESSURE SENSOR
GB8723339D0 (en) * 1987-10-05 1987-11-11 Kellett M A Transducer control circuits
JPH0317524A (en) * 1989-06-14 1991-01-25 Yamatake Honeywell Co Ltd Digital pressure detector
GB2285865A (en) * 1994-01-14 1995-07-26 Westland Aerospace Ltd Strain measurement system
US5811690A (en) * 1997-03-20 1998-09-22 Hershey; George E. Differential pressure transmitter with highly accurate temperature compensation
JP2000162066A (en) 1998-11-26 2000-06-16 Denso Corp Sensor device
US7100455B2 (en) * 2004-08-27 2006-09-05 Dresser-Nagano, Inc. System and method for pressure measurement
WO2015062535A1 (en) 2013-11-01 2015-05-07 Mettler Toledo (Changzhou) Precision Instrument Ltd. Analog sensor with digital compensation function
CN109283871B (en) * 2018-09-28 2023-12-08 承德万达高新仪表有限公司 Two-wire intelligent transmitter with dry contact output alarm function

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118119A (en) * 1976-09-02 1978-10-03 Xerox Corporation Facetted edge fadeout reflector

Also Published As

Publication number Publication date
GB2113849A (en) 1983-08-10
JPH0243236B2 (en) 1990-09-27
JPS58114199A (en) 1983-07-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971222