NZ201498A - Liquid level measured by induction field of shortable solenoid - Google Patents

Liquid level measured by induction field of shortable solenoid

Info

Publication number
NZ201498A
NZ201498A NZ201498A NZ20149882A NZ201498A NZ 201498 A NZ201498 A NZ 201498A NZ 201498 A NZ201498 A NZ 201498A NZ 20149882 A NZ20149882 A NZ 20149882A NZ 201498 A NZ201498 A NZ 201498A
Authority
NZ
New Zealand
Prior art keywords
coil
electrode
electrodes
liquid
arrangement
Prior art date
Application number
NZ201498A
Other languages
English (en)
Inventor
John Lewis Hartstone
Original Assignee
John Lewis Hartstone
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 John Lewis Hartstone filed Critical John Lewis Hartstone
Priority to NZ201498A priority Critical patent/NZ201498A/en
Priority to AU22770/83A priority patent/AU567529B2/en
Priority to IE3058/83A priority patent/IE54949B1/en
Priority to IT49591/83A priority patent/IT1171898B/it
Priority to JP58245594A priority patent/JPS59136623A/ja
Priority to GB08334576A priority patent/GB2134264B/en
Priority to ZA839692A priority patent/ZA839692B/xx
Priority to SE8307204A priority patent/SE8307204L/
Priority to NL8304488A priority patent/NL8304488A/nl
Priority to BE0/212137A priority patent/BE898582A/fr
Priority to DK608783A priority patent/DK608783A/da
Priority to CA000444501A priority patent/CA1208453A/en
Priority to US06/567,320 priority patent/US4554831A/en
Priority to DD83258937A priority patent/DD216793A5/de
Priority to HU834540A priority patent/HU189801B/hu
Priority to DE19833347606 priority patent/DE3347606A1/de
Priority to FR8321108A priority patent/FR2538900B1/fr
Priority to NO834879A priority patent/NO159420C/no
Priority to FI834873A priority patent/FI74540C/fi
Publication of NZ201498A publication Critical patent/NZ201498A/en

Links

Classifications

    • 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
    • G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
NZ201498A 1982-08-04 1982-12-31 Liquid level measured by induction field of shortable solenoid NZ201498A (en)

Priority Applications (19)

Application Number Priority Date Filing Date Title
NZ201498A NZ201498A (en) 1982-12-31 1982-12-31 Liquid level measured by induction field of shortable solenoid
AU22770/83A AU567529B2 (en) 1982-12-31 1983-12-22 Inductive liquid level meter
IE3058/83A IE54949B1 (en) 1982-12-31 1983-12-23 Liquid level measurement
IT49591/83A IT1171898B (it) 1982-12-31 1983-12-27 Dispositivo e metodo per misurare il livello di un liquido
JP58245594A JPS59136623A (ja) 1982-12-31 1983-12-28 液面測定装置および方法
GB08334576A GB2134264B (en) 1982-12-31 1983-12-29 Liquid level measurement
ZA839692A ZA839692B (en) 1982-12-31 1983-12-29 Arrangement and method for liquid level measurement
SE8307204A SE8307204L (sv) 1982-12-31 1983-12-29 Anordning och forfarande for metning av en vetskeniva
NL8304488A NL8304488A (nl) 1982-12-31 1983-12-29 Opstelling en werkwijze voor het meten van een vloeistofniveau.
BE0/212137A BE898582A (fr) 1982-12-31 1983-12-29 Dispositif et procede de mesure du niveau d'un liquide.
DK608783A DK608783A (da) 1982-12-31 1983-12-30 Fremgangsmaade og arrangement til vaeskeniveaumaaling
CA000444501A CA1208453A (en) 1982-12-31 1983-12-30 Arrangement and method for liquid level measurement
US06/567,320 US4554831A (en) 1982-08-04 1983-12-30 Arrangement and method for liquid level measurement
DD83258937A DD216793A5 (de) 1982-12-31 1983-12-30 Anordnung und verfahren zum messen eines fluessigkeitspegels
HU834540A HU189801B (en) 1982-12-31 1983-12-30 Device and method for measuring level of liquid
DE19833347606 DE3347606A1 (de) 1982-12-31 1983-12-30 Anordnung und verfahren zum messen eines fluessigkeitspegels
FR8321108A FR2538900B1 (fr) 1982-12-31 1983-12-30 Dispositif et procede de mesure du niveau d'un liquide
NO834879A NO159420C (no) 1982-12-31 1983-12-30 Fremgangsmaate og anordning for vaeskenivaamaaling.
FI834873A FI74540C (fi) 1982-12-31 1983-12-30 System och anordning foer maetning av en vaetskas hoejdnivao.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ201498A NZ201498A (en) 1982-12-31 1982-12-31 Liquid level measured by induction field of shortable solenoid

Publications (1)

Publication Number Publication Date
NZ201498A true NZ201498A (en) 1987-11-27

Family

ID=19920053

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ201498A NZ201498A (en) 1982-08-04 1982-12-31 Liquid level measured by induction field of shortable solenoid

Country Status (19)

Country Link
US (1) US4554831A (enExample)
JP (1) JPS59136623A (enExample)
AU (1) AU567529B2 (enExample)
BE (1) BE898582A (enExample)
CA (1) CA1208453A (enExample)
DD (1) DD216793A5 (enExample)
DE (1) DE3347606A1 (enExample)
DK (1) DK608783A (enExample)
FI (1) FI74540C (enExample)
FR (1) FR2538900B1 (enExample)
GB (1) GB2134264B (enExample)
HU (1) HU189801B (enExample)
IE (1) IE54949B1 (enExample)
IT (1) IT1171898B (enExample)
NL (1) NL8304488A (enExample)
NO (1) NO159420C (enExample)
NZ (1) NZ201498A (enExample)
SE (1) SE8307204L (enExample)
ZA (1) ZA839692B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716536A (en) * 1985-04-16 1987-12-29 The Foxboro Company Measurement calibration
US4827769A (en) * 1988-09-16 1989-05-09 Hamilton Standard Controls, Inc. Fuel level sensor with buried conductor
JPH0324425A (ja) * 1989-06-20 1991-02-01 Murata Mfg Co Ltd 変位量計測装置
WO2015171820A1 (en) * 2014-05-08 2015-11-12 WellGauge, Inc. Well water depth monitor
GB2570323B (en) * 2018-01-19 2020-08-12 Paul Clarkson Melvin Permittivity based fluid level sensor wherein build-up of fluid vapour droplets is prevented

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243891B (de) * 1964-04-06 1967-07-06 Euratom Geraet zum kontinuierlichen Messen des Fluessigkeitsstandes elektrisch leitfaehiger Fluessigkeiten
US3349617A (en) * 1965-01-12 1967-10-31 Hartstone John Lewis Metering and flow indicating device for use during milking
AU1185670A (en) * 1969-02-27 1971-08-26 The Commonwealth Industrial Gases Limited Cryogenic liquid level indicator
US3722281A (en) * 1970-11-04 1973-03-27 Eng Physics Co Liquid height gauge
US3755804A (en) * 1971-10-18 1973-08-28 W Johnson Liquid level sensing system and apparatus
DE2210296C2 (de) * 1972-03-03 1983-10-20 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Füllstandsmeßgerät zur kontinuierlichen Messung für elektrisch leitende Flüssigkeiten
DE2345932C2 (de) * 1973-09-12 1983-10-13 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Füllstandsmeßgerät zur kontinuierlichen Messung für elektrisch leitende Flüssigkeiten
US4125021A (en) * 1976-06-01 1978-11-14 Doryokuro Kakunenryo Kaihatsu Jigyodan Apparatus for detecting conductive liquid level
GB2062238A (en) * 1979-10-15 1981-05-20 Ponting I M An impedance measuring system

Also Published As

Publication number Publication date
DD216793A5 (de) 1984-12-19
FR2538900A1 (fr) 1984-07-06
DK608783D0 (da) 1983-12-30
NO159420C (no) 1988-12-21
GB2134264A (en) 1984-08-08
NO834879L (no) 1984-07-02
JPS59136623A (ja) 1984-08-06
FR2538900B1 (fr) 1988-03-18
DK608783A (da) 1984-07-01
SE8307204D0 (sv) 1983-12-29
CA1208453A (en) 1986-07-29
BE898582A (fr) 1984-04-16
GB8334576D0 (en) 1984-02-01
DE3347606C2 (enExample) 1988-12-15
NL8304488A (nl) 1984-07-16
IE833058L (en) 1984-06-30
IT1171898B (it) 1987-06-10
AU2277083A (en) 1984-07-05
FI834873A0 (fi) 1983-12-30
NO159420B (no) 1988-09-12
FI834873L (fi) 1984-07-01
IE54949B1 (en) 1990-03-28
US4554831A (en) 1985-11-26
FI74540C (fi) 1988-02-08
IT8349591A0 (it) 1983-12-27
SE8307204L (sv) 1984-07-01
FI74540B (fi) 1987-10-30
DE3347606A1 (de) 1984-07-12
GB2134264B (en) 1986-03-05
AU567529B2 (en) 1987-11-26
IT8349591A1 (it) 1985-06-27
HU189801B (en) 1986-08-28
ZA839692B (en) 1984-08-29

Similar Documents

Publication Publication Date Title
EP0855018B1 (en) Inductive sensor for monitoring fluid level and displacememt
US4051431A (en) Apparatus for measuring rates of urine flow electrically
US4825168A (en) Remote conductivity sensor using square wave excitation
CN1268218A (zh) 利用esr传感器测量多相流体的流动分数、流动速度和流动速率
FR2795817B1 (fr) Sonde capacitive de mesure du niveau d'un liquide conducteur de l'electricite dans un recipient et procede de fabrication d'une telle sonde
US5025656A (en) Densitometer
US4554831A (en) Arrangement and method for liquid level measurement
EP0261353A2 (de) Messeinrichtung
EP0512455A2 (de) Verfahren und Vorrichtung zur Messung von Volumenströmen in Flüssigkeiten und Gasen
Ismail et al. Non-contact multi-sensing technique for the precise measurement of concentration of electrolytic solution
WO2002006776A2 (de) Verfahren und sensor zur füllstandsmessung einer flüssigkeit in einem behälter
CA1130441A (en) Liquid storage tank contents gauge
DE3339661A1 (de) Verfahren zur positionsbestimmung einer pruefsonde
US7318345B2 (en) Method of measuring the height of a liquid using a high-frequency line probe
US4096438A (en) Wall thickness gauge and method utilizing a reed switch and magnet means on opposite sides of the wall
DE10109568A1 (de) Verfahren und Vorrichtung zur kombinierten Wand- und Schichtdickenmessung
DE931378C (de) Vorrichtung zur Messung der Standhoehe in Behaeltern durch Echolotung
RU99125199A (ru) Способ геоэлектроразведки
SU1057833A1 (ru) Устройство дл измерени содержани солей в жидких средах
RU1784898C (ru) Кондуктометр Ишкова
DE2940655C2 (de) Verfahren zur Bestimmung der Dichte von Flüssigkeiten
CN2300094Y (zh) 液位传感器
GB1600131A (en) Liquid storage tank contents gauge
DE69116560T2 (de) Automatische volumenmessvorrichtung für behälter und damit ausgerüsteter behälter
RU56621U1 (ru) Устройство для автоматического измерения плотности жидких сред