HK14995A - Transmitter with an improved span adjustment - Google Patents

Transmitter with an improved span adjustment

Info

Publication number
HK14995A
HK14995A HK14995A HK14995A HK14995A HK 14995 A HK14995 A HK 14995A HK 14995 A HK14995 A HK 14995A HK 14995 A HK14995 A HK 14995A HK 14995 A HK14995 A HK 14995A
Authority
HK
Hong Kong
Prior art keywords
transmitter
span adjustment
improved span
improved
adjustment
Prior art date
Application number
HK14995A
Other languages
English (en)
Inventor
Roger Frick
Original Assignee
Rosemount Inc
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 Rosemount Inc filed Critical Rosemount Inc
Publication of HK14995A publication Critical patent/HK14995A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G23/00—Auxiliary devices for weighing apparatus
    • G01G23/01—Testing or calibrating of weighing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/021—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation using purely analogue techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
    • G01G7/06—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electrostatic action
    • 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
    • G01L9/12—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 capacitance, i.e. electric circuits therefor
HK14995A 1986-10-10 1995-02-06 Transmitter with an improved span adjustment HK14995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/917,790 US4748852A (en) 1986-10-10 1986-10-10 Transmitter with an improved span adjustment

Publications (1)

Publication Number Publication Date
HK14995A true HK14995A (en) 1995-02-10

Family

ID=25439330

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14995A HK14995A (en) 1986-10-10 1995-02-06 Transmitter with an improved span adjustment

Country Status (8)

Country Link
US (1) US4748852A (xx)
EP (1) EP0414667B1 (xx)
CN (1) CN1016213B (xx)
CA (1) CA1307940C (xx)
DE (1) DE3750698T2 (xx)
HK (1) HK14995A (xx)
MY (1) MY100607A (xx)
WO (1) WO1988002850A1 (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5278543A (en) * 1987-10-22 1994-01-11 Rosemount Inc. Transmitter with magnetic zero/span actuator
JPH06502722A (ja) * 1990-10-25 1994-03-24 ローズマウント インコーポレイテッド 多機能調節機構を有するトランスミッタ
US5253511A (en) * 1990-10-25 1993-10-19 Rosemount Inc. Transmitter with multifunction adjustment
US5656782A (en) * 1994-12-06 1997-08-12 The Foxboro Company Pressure sealed housing apparatus and methods
US5808636A (en) * 1996-09-13 1998-09-15 Xerox Corporation Reduction of droplet misdirectionality in acoustic ink printing
US7100455B2 (en) * 2004-08-27 2006-09-05 Dresser-Nagano, Inc. System and method for pressure measurement
US8276458B2 (en) 2010-07-12 2012-10-02 Rosemount Inc. Transmitter output with scalable rangeability
WO2013162394A1 (en) * 2012-04-23 2013-10-31 Rosemount Inc. Process variable compensation in a process transmitter
US10962622B2 (en) * 2013-12-23 2021-03-30 Rosemount Inc. Analog process variable transmitter with electronic calibration

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646538A (en) * 1969-10-27 1972-02-29 Rosemount Eng Co Ltd Transducer circuitry for converting a capacitance signal to a dc current signal
US3764880A (en) * 1972-05-08 1973-10-09 Rosemount Inc Two-wire current transmitter with isolated transducer circuit
US3916689A (en) * 1973-06-25 1975-11-04 Simmonds Precision Products Capacitance fuel tank gauge
US3975719A (en) * 1975-01-20 1976-08-17 Rosemount Inc. Transducer for converting a varying reactance signal to a DC current signal
US4145619A (en) * 1976-12-03 1979-03-20 Robertshaw Controls Company Two wire capacitance transmitter
US4120201A (en) * 1977-03-18 1978-10-17 Partlow Corporation Thermocouple temperature measurement circuit having cold junction compensation
JPS53116857A (en) * 1977-03-22 1978-10-12 Hokushin Electric Works Electric resistanceecurrent transformer
US4149231A (en) * 1977-05-04 1979-04-10 Bunker Ramo Corporation Capacitance-to-voltage transformation circuit
US4181946A (en) * 1977-08-25 1980-01-01 Reliance Electric Company Digital scale
US4289035A (en) * 1978-02-15 1981-09-15 The Bendix Corporation Compensated capacitive transducer demodulator circuit
US4315211A (en) * 1980-03-03 1982-02-09 Leeds & Northrup Company Preamplifier for voltage measuring instrument with non-interacting zero and span controls
JPS59774B2 (ja) * 1980-03-17 1984-01-09 株式会社日立製作所 温度変換回路
FR2485224A1 (fr) * 1980-06-19 1981-12-24 Cii Honeywell Bull Capteur de position de bande et dispositif de mesure de position incluant ce capteur
US4381677A (en) * 1981-01-23 1983-05-03 Rosemount Inc. Reactance measurement circuit
US4502003A (en) * 1983-07-29 1985-02-26 Rosemount Inc. Two wire circuit having an adjustable span

Also Published As

Publication number Publication date
EP0414667B1 (en) 1994-10-26
EP0414667A4 (en) 1990-09-05
CN87106874A (zh) 1988-06-22
MY100607A (en) 1990-12-15
CA1307940C (en) 1992-09-29
WO1988002850A1 (en) 1988-04-21
DE3750698D1 (de) 1994-12-01
US4748852A (en) 1988-06-07
EP0414667A1 (en) 1991-03-06
DE3750698T2 (de) 1995-05-18
CN1016213B (zh) 1992-04-08

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)