FI885220A - Nollapisteen ja säätövälin asetuspiiri virta/painemuuntimelle - Google Patents

Nollapisteen ja säätövälin asetuspiiri virta/painemuuntimelle Download PDF

Info

Publication number
FI885220A
FI885220A FI885220A FI885220A FI885220A FI 885220 A FI885220 A FI 885220A FI 885220 A FI885220 A FI 885220A FI 885220 A FI885220 A FI 885220A FI 885220 A FI885220 A FI 885220A
Authority
FI
Finland
Prior art keywords
current
adjustment circuit
pressure converter
zero adjustment
control width
Prior art date
Application number
FI885220A
Other languages
English (en)
Swedish (sv)
Other versions
FI885220A0 (fi
FI93260B (fi
FI93260C (fi
Inventor
Ferdinand Dombrowski
Dieter Forster
Original Assignee
Fisher Controls Int
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 Fisher Controls Int filed Critical Fisher Controls Int
Publication of FI885220A0 publication Critical patent/FI885220A0/fi
Publication of FI885220A publication Critical patent/FI885220A/fi
Publication of FI93260B publication Critical patent/FI93260B/fi
Application granted granted Critical
Publication of FI93260C publication Critical patent/FI93260C/fi

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measuring Fluid Pressure (AREA)
  • Control Of Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
FI885220A 1987-11-12 1988-11-11 Nollapisteen ja säätövälin asetuspiiri virta/painemuuntimelle FI93260C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/119,836 US4836011A (en) 1987-11-12 1987-11-12 Zero and span adjustment circuit for current/pressure transducer
US11983687 1987-11-12

Publications (4)

Publication Number Publication Date
FI885220A0 FI885220A0 (fi) 1988-11-11
FI885220A true FI885220A (fi) 1989-05-13
FI93260B FI93260B (fi) 1994-11-30
FI93260C FI93260C (fi) 1995-03-10

Family

ID=22386677

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885220A FI93260C (fi) 1987-11-12 1988-11-11 Nollapisteen ja säätövälin asetuspiiri virta/painemuuntimelle

Country Status (8)

Country Link
US (1) US4836011A (fi)
EP (1) EP0316292B1 (fi)
JP (1) JP2649714B2 (fi)
AU (1) AU597195B2 (fi)
BR (1) BR8805914A (fi)
CA (1) CA1306043C (fi)
DE (1) DE3850350T2 (fi)
FI (1) FI93260C (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105791A (en) * 1990-12-21 1992-04-21 Nye Jr Dudley D Current to pressure/vacuum transducer
US5105790A (en) * 1990-12-21 1992-04-21 Nye Jr Dudley D Current controlled fluid bleed
US5532925A (en) * 1994-08-12 1996-07-02 Fisher Controls International, Inc. Current-to-pressure transducer with selectable, adjustable input filter
US5841359A (en) * 1995-01-31 1998-11-24 Datcon Instrument Company Visual alarm gauge
US5665899A (en) * 1996-02-23 1997-09-09 Rosemount Inc. Pressure sensor diagnostics in a process transmitter
US7003417B2 (en) * 2003-06-06 2006-02-21 Invensys Systems, Inc. Multiple calibration ranges stored in a process transmitter
DE102006059938B3 (de) * 2006-12-19 2008-03-13 Abb Patent Gmbh Verfahren zur Diagnose eines mit einer Hilfsenergie angetriebenen Stellorgans
US8069730B2 (en) * 2008-11-14 2011-12-06 Kulite Semiconductor Products, Inc. Pressure transducer structures suitable for curved surfaces
US20170307460A1 (en) * 2016-04-25 2017-10-26 Pratt & Whitney Canada Corp. Correction of pressure measurements in engines
CN112379246B (zh) * 2020-11-17 2024-05-17 西北机电工程研究所 基于可穿戴设备的薄膜型压力传感器接口电路调试方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US447780A (en) * 1891-03-10 Gar brake and starter
US2874354A (en) * 1954-10-15 1959-02-17 Panellit Inc Calibrating circuit for current measuring systems
US3222599A (en) * 1961-01-17 1965-12-07 Solid States Systems Inc Differential amplifier metering circuit with temperature compensation
US3408570A (en) * 1964-07-01 1968-10-29 Gen Electric Wide scale indicator for weak current amplitudes within a predetermined range above a minimum amplitude
SE325955B (fi) * 1967-10-26 1970-07-13 Saab Ab
US3617881A (en) * 1969-11-24 1971-11-02 Tektronix Inc Dc voltage-testing and current-measuring circuit including differential amplifier
US3697871A (en) * 1970-03-19 1972-10-10 Leeds & Northrup Co Single element adjustment for span and gain
JPS5035418B1 (fi) * 1970-09-03 1975-11-15
US4037154A (en) * 1976-09-15 1977-07-19 The Perkin-Elmer Corporation Circuit for calibrating instruments
PL196115A1 (pl) * 1977-02-18 1978-09-11 Przed Automatyki Przemyslowej Sposob kompensacji wplywu temperatury w elektrycznych czujnikach wielkosci nieelektrycznych oraz uklad do stosowania sposobu
US4481967A (en) * 1979-11-15 1984-11-13 Rosemount Inc. Control circuit for current to pressure converter
US4315211A (en) * 1980-03-03 1982-02-09 Leeds & Northrup Company Preamplifier for voltage measuring instrument with non-interacting zero and span controls
US4332175A (en) * 1980-05-12 1982-06-01 Johnson & Johnson Counterbalance loading device
US4447780A (en) * 1981-10-28 1984-05-08 The Babcock & Wilcox Company Linearizing circuit and method of calibrating same
US4465075A (en) * 1982-03-29 1984-08-14 Motorola, Inc. On-chip pressure transducer and temperature compensation circuit therefor
US4630631A (en) * 1983-02-24 1986-12-23 The Babcock & Wilcox Company Pneumatic servo assembly for an electro-pneumatic converter
US4527583A (en) * 1983-07-12 1985-07-09 Dresser Industries, Inc. Electropneumatic transducer system
US4569221A (en) * 1983-10-24 1986-02-11 Snook Jr August M Portable electro-pneumatic calibrator
US4705067A (en) * 1986-05-13 1987-11-10 Coffee Curtis L Electric-to-pressure transducer
US4665938A (en) * 1986-09-30 1987-05-19 Rosemount Inc. Frequency feedback on a current loop of a current-to-pressure converter

Also Published As

Publication number Publication date
EP0316292A3 (en) 1990-08-16
BR8805914A (pt) 1989-08-01
US4836011A (en) 1989-06-06
DE3850350D1 (de) 1994-07-28
CA1306043C (en) 1992-08-04
EP0316292B1 (en) 1994-06-22
AU2502288A (en) 1989-05-18
JP2649714B2 (ja) 1997-09-03
EP0316292A2 (en) 1989-05-17
FI885220A0 (fi) 1988-11-11
FI93260B (fi) 1994-11-30
AU597195B2 (en) 1990-05-24
FI93260C (fi) 1995-03-10
JPH01162112A (ja) 1989-06-26
DE3850350T2 (de) 1995-01-12

Similar Documents

Publication Publication Date Title
DK0516579T3 (da) Gennemgående forbindelse i en isolationsmaterialedel
TR22792A (tr) Parazite bagisik akim hissetmeli guec ikmali
MX159950A (es) Mejoras en inductor variable
FI93260C (fi) Nollapisteen ja säätövälin asetuspiiri virta/painemuuntimelle
DK256389A (da) Kurvegaaende pladebaandtransportoer
ES539561A0 (es) Perfeccionamientos en los sistemas de conexion electrica
DE69233021D1 (de) Antikoppler in Strombetriebsart
FI93292C (fi) Poikkeutusvirran korjauspiiri
DE68925305D1 (de) Strombegrenzungsschaltung mit Einheitsverstärkung
GB2172472B (en) Constant current line circuit
YU86184A (en) Circuitry for continuous powering with ac current
ATA190390A (de) Strombegrenzungsschaltung
DE69121928D1 (de) Verstärkerschaltung mit Rückkopplungskreis
KR890023864U (ko) 저손실 직류전압 제어회로
KR900009205U (ko) 돌입 전류 제어회로
KR860015292U (ko) 출력레벨 및 주파수 특성 제어회로
KR930016796U (ko) 전압연속 출력회로
ES556555A0 (es) Rele para la conexion en el circuito de corriente de abonado de una centralita telefonica
IT8553348V0 (it) Rele elettromagnetico perfezionato
KR870001218U (ko) 전자 레인지의 출력 조절 스위치
GB8511354D0 (en) Resonant circuit with switched attenuator
KR870001288U (ko) 오디오 기기에서의 전원 온,오프 제어회로
KR870010880U (ko) 뮤팅기능을 겸한 전원제어회로
KR880018427U (ko) Smps의 연속 모드 제어 회로
KR910010045U (ko) 서지전류 제어회로

Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: FISHER CONTROLS INTERNATIONAL, INC.