JPH0355769B2 - - Google Patents

Info

Publication number
JPH0355769B2
JPH0355769B2 JP11293180A JP11293180A JPH0355769B2 JP H0355769 B2 JPH0355769 B2 JP H0355769B2 JP 11293180 A JP11293180 A JP 11293180A JP 11293180 A JP11293180 A JP 11293180A JP H0355769 B2 JPH0355769 B2 JP H0355769B2
Authority
JP
Japan
Prior art keywords
liquid level
pair
electric wires
rectangular wave
wave 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.)
Expired
Application number
JP11293180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5735723A (en
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
Priority to JP11293180A priority Critical patent/JPS5735723A/ja
Publication of JPS5735723A publication Critical patent/JPS5735723A/ja
Publication of JPH0355769B2 publication Critical patent/JPH0355769B2/ja
Granted legal-status Critical Current

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
    • G01F23/24—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
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP11293180A 1980-08-13 1980-08-13 Detector of liquid level Granted JPS5735723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11293180A JPS5735723A (en) 1980-08-13 1980-08-13 Detector of liquid level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11293180A JPS5735723A (en) 1980-08-13 1980-08-13 Detector of liquid level

Publications (2)

Publication Number Publication Date
JPS5735723A JPS5735723A (en) 1982-02-26
JPH0355769B2 true JPH0355769B2 (en]) 1991-08-26

Family

ID=14599063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11293180A Granted JPS5735723A (en) 1980-08-13 1980-08-13 Detector of liquid level

Country Status (1)

Country Link
JP (1) JPS5735723A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7495379B2 (en) 2005-06-17 2009-02-24 Toshiba Lighting & Technology Corporation Fluorescent lamp and illuminating apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4936133B2 (ja) * 2007-03-19 2012-05-23 横河電機株式会社 増幅器
DE102014107927A1 (de) * 2014-06-05 2015-12-17 Endress + Hauser Gmbh + Co. Kg Verfahren und Vorrichtung zur Überwachung des Füllstandes eines Mediums in einem Behälter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7495379B2 (en) 2005-06-17 2009-02-24 Toshiba Lighting & Technology Corporation Fluorescent lamp and illuminating apparatus

Also Published As

Publication number Publication date
JPS5735723A (en) 1982-02-26

Similar Documents

Publication Publication Date Title
KR100504690B1 (ko) 전기 차량의 누전 검출장치
CA1069996A (en) Apparatus for generating an electrical signal indicative of liquid level
US6232786B1 (en) Apparatus and method for measuring conductivity
JP4017770B2 (ja) 電気車両の漏電検出装置
JPH0440670B2 (en])
JPH0355769B2 (en])
JPS55155258A (en) Device for measuring characteristic of gapless arrester
JPH01254853A (ja) 導電率測定用の電極
CN111337752A (zh) 一种电力电缆对地绝缘电阻在线检测系统及其应用
JPS645241Y2 (en])
JPH0429420Y2 (en])
JPH081457Y2 (ja) 食器洗浄器の液位検出装置
JPH0234607Y2 (en])
JP3325643B2 (ja) 漏液検知装置
JPS6156790B2 (en])
JPH02190771A (ja) 四端子測定装置
JPS59190672A (ja) 電気機器のコロナ測定方法
JPH0562309B2 (en])
SU1262393A1 (ru) Устройство дл измерени электрического сопротивлени жидкости и составл ющих пол ризационного импеданса
JPS6412489A (en) Deterioration diagnostic method for zinc oxide type arrestor
SU1569566A1 (ru) Устройство дл измерени уровн электропроводных сред
SU1061064A1 (ru) Способ измерени коэффициента нелинейности электропроводности материалов
JPH0235952B2 (ja) Koshotenhyoteihoshiki
JPS5836195Y2 (ja) 電路絶縁抵抗監視装置
JPS5495945A (en) Detecting method for interelectrode voltage in resistance welding