JPS57501043A - - Google Patents

Info

Publication number
JPS57501043A
JPS57501043A JP50161380A JP50161380A JPS57501043A JP S57501043 A JPS57501043 A JP S57501043A JP 50161380 A JP50161380 A JP 50161380A JP 50161380 A JP50161380 A JP 50161380A JP S57501043 A JPS57501043 A JP S57501043A
Authority
JP
Japan
Prior art keywords
output
temp
transducer
current
voltage
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.)
Pending
Application number
JP50161380A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS57501043A publication Critical patent/JPS57501043A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01L9/10—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 inductance, i.e. electric circuits therefor
    • G01L9/105—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 inductance, i.e. electric circuits therefor with temperature compensating means

Abstract

The transducer system includes a reluctance resistance bridge having coils on E cores for measuring the pressure differential across a sensor element such as a diaphragm. This bridge is activated by a signal generator and normally its output would be independent of the sensor temperature. The A.C. output of the signal generator is modified such that the temperature compensation is made in the transducer activator or excitation and not in subsequently modifying the transducer output signal. A voltage source pref. in the range of 5 to 10 volt provides the reference voltage to Vc corresponding to the reference output of the current source at the calibration temp. - One branch of the Norton divider is a variable conductance ladder having an output current which increases at a programmed rate as the current from the temp. dependent source increases. The operational amplifier provides the output of the compensation circuit and the temp. dependence of the output voltage is a close approximation to the inverse of the temp. dependence of the sensors or transducers.
JP50161380A 1980-08-04 1980-08-04 Pending JPS57501043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/001000 WO1982000519A1 (en) 1980-08-04 1980-08-04 Temperature compensation for transducer components

Publications (1)

Publication Number Publication Date
JPS57501043A true JPS57501043A (en) 1982-06-10

Family

ID=22154463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50161380A Pending JPS57501043A (en) 1980-08-04 1980-08-04

Country Status (4)

Country Link
JP (1) JPS57501043A (en)
CA (1) CA1150525A (en)
SE (1) SE439837B (en)
WO (1) WO1982000519A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3817098A1 (en) * 1988-05-19 1989-11-30 Dieter Dipl Ing Bohn Method for the electrical representation of a physical measured variable in the form of an impedance change
DE19951817A1 (en) * 1999-10-27 2001-05-23 Micronas Gmbh Two-wire sensor arrangement
CN103048085B (en) * 2011-10-13 2015-08-19 贾庆锋 Temperature compensation system for pressure sensors and temperature compensation thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841150A (en) * 1973-11-02 1974-10-15 Honeywell Inc Strain gauge transducer signal conditioning circuitry
US4011758A (en) * 1973-12-26 1977-03-15 Texas Instruments Incorporated Magnetostrictive pressure transducer
JPS587182B2 (en) * 1974-03-08 1983-02-08 横河電機株式会社 Saatsu Oudousouchi
US4000643A (en) * 1976-03-29 1977-01-04 Honeywell Inc. Apparatus for producing a compensating voltage
US4233848A (en) * 1978-01-06 1980-11-18 Hitachi, Ltd. Strain gauge pressure transducer apparatus having an improved impedance bridge

Also Published As

Publication number Publication date
WO1982000519A1 (en) 1982-02-18
SE8202060L (en) 1982-03-31
CA1150525A (en) 1983-07-26
SE439837B (en) 1985-07-01

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