GB912984A - - Google Patents

Info

Publication number
GB912984A
GB912984A GB912984DA GB912984A GB 912984 A GB912984 A GB 912984A GB 912984D A GB912984D A GB 912984DA GB 912984 A GB912984 A GB 912984A
Authority
GB
United Kingdom
Prior art keywords
point
resistor
liquid
bridge
diode
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
Other languages
English (en)
Publication date
Publication of GB912984A publication Critical patent/GB912984A/en
Expired 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
    • G01F23/246—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 thermal devices
    • G01F23/247—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 thermal devices for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Control Of Non-Electrical Variables (AREA)
GB912984D Expired GB912984A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB912984A true GB912984A (enrdf_load_stackoverflow) 1900-01-01

Family

ID=1753430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB912984D Expired GB912984A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB912984A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504261A1 (fr) * 1981-04-18 1982-10-22 Licentia Gmbh Mesureur de niveau thermoelectrique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504261A1 (fr) * 1981-04-18 1982-10-22 Licentia Gmbh Mesureur de niveau thermoelectrique

Similar Documents

Publication Publication Date Title
US5461913A (en) Differential current thermal mass flow transducer
US3803913A (en) Apparatus for determining heat-transfer rates and thus the flow rates or thermal conductivities of fluids
US2211606A (en) Liquid level indicator
JPS6144324A (ja) 流体レベル測定装置
Roebuck The Joule-Thomson effect in air
US3335334A (en) Liquid level sensing device
US2422873A (en) Electrical conductivity cell
US20080028852A1 (en) Methods and systems for liquid volumetric measurement
US5421202A (en) Liquid sensor having thermistors
US2150015A (en) Salinity indicator system
GB912984A (enrdf_load_stackoverflow)
US1261086A (en) Means for regulating temperature.
US2982908A (en) Sensing apparatus
US20080083275A1 (en) Thermistor-based fuel sensor
US4563098A (en) Gradient compensated temperature probe and gradient compensation method
US4220041A (en) Alien liquid detector and control
JPS5928256B2 (ja) 液体検出装置
US1974187A (en) Measuring apparatus
US2526329A (en) Expanded scale electronic voltmeter
JP2004294208A (ja) 水位−水温検知用センサ
US3283576A (en) Means for detecting change of heat transfer rate
US3831083A (en) Conductivity and specific resistance measuring system
US1532543A (en) Controlling and temperature-comparing system
US2091848A (en) Measuring instrument
Weymouth et al. A new specific-gravity apparatus for natural gas