CH614526A5 - Apparatus for measuring the distance between the surface of an electrically conductive medium and a reference point and for measuring the temperature of the medium - Google Patents

Apparatus for measuring the distance between the surface of an electrically conductive medium and a reference point and for measuring the temperature of the medium

Info

Publication number
CH614526A5
CH614526A5 CH628977A CH628977A CH614526A5 CH 614526 A5 CH614526 A5 CH 614526A5 CH 628977 A CH628977 A CH 628977A CH 628977 A CH628977 A CH 628977A CH 614526 A5 CH614526 A5 CH 614526A5
Authority
CH
Switzerland
Prior art keywords
measuring
medium
distance
temperature
electrically conductive
Prior art date
Application number
CH628977A
Other languages
English (en)
Inventor
Reiner Dr Rer Nat Claussen
Josef Sailer
Ernst Knappe
Original Assignee
Ott Gmbh A
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 Ott Gmbh A filed Critical Ott Gmbh A
Publication of CH614526A5 publication Critical patent/CH614526A5/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/04—Measuring depth or liquid level
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
    • G01K7/20—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
    • G01K7/206—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit in a potentiometer circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CH628977A 1976-05-28 1977-05-23 Apparatus for measuring the distance between the surface of an electrically conductive medium and a reference point and for measuring the temperature of the medium CH614526A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762624009 DE2624009C3 (de) 1976-05-28 1976-05-28 Vorrichtung zum Messen des Abstandes der Oberfläche eines elektrisch leitfähigen Mediums von einem oberhalb dieser Oberfläche angeordneten Beobachtungspunkt

Publications (1)

Publication Number Publication Date
CH614526A5 true CH614526A5 (en) 1979-11-30

Family

ID=5979268

Family Applications (1)

Application Number Title Priority Date Filing Date
CH628977A CH614526A5 (en) 1976-05-28 1977-05-23 Apparatus for measuring the distance between the surface of an electrically conductive medium and a reference point and for measuring the temperature of the medium

Country Status (4)

Country Link
CH (1) CH614526A5 (de)
DE (1) DE2624009C3 (de)
FR (1) FR2353048A1 (de)
GB (1) GB1524805A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266956B (en) * 1992-05-13 1995-10-25 Spirax Sarco Ltd Sensor Unit
CN106092252A (zh) * 2016-08-02 2016-11-09 清华大学 一种实验用高精度数字化自动水位测试系统
CN110207755B (zh) * 2019-06-24 2021-02-09 中国农业科学院草原研究所 一种生态水文监测装置
CN112816024B (zh) * 2021-01-04 2022-06-07 中国地质科学院水文地质环境地质研究所 一种地下水位测量系统及方法

Also Published As

Publication number Publication date
FR2353048B3 (de) 1980-07-04
GB1524805A (en) 1978-09-13
FR2353048A1 (fr) 1977-12-23
DE2624009A1 (de) 1977-12-08
DE2624009B2 (de) 1978-08-17
DE2624009C3 (de) 1979-04-19

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Legal Events

Date Code Title Description
PL Patent ceased