FR1129269A - Electrical device for measuring industrial capacities, insensitive to leakage resistance - Google Patents

Electrical device for measuring industrial capacities, insensitive to leakage resistance

Info

Publication number
FR1129269A
FR1129269A FR1129269DA FR1129269A FR 1129269 A FR1129269 A FR 1129269A FR 1129269D A FR1129269D A FR 1129269DA FR 1129269 A FR1129269 A FR 1129269A
Authority
FR
France
Prior art keywords
insensitive
electrical device
leakage resistance
measuring industrial
capacities
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
French (fr)
Inventor
Jean-Marie-Pierre Lehry
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
Application granted granted Critical
Publication of FR1129269A publication Critical patent/FR1129269A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • 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
    • G01F23/263—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 by measuring variations in capacitance of capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
FR1129269D 1955-07-27 1955-07-27 Electrical device for measuring industrial capacities, insensitive to leakage resistance Expired FR1129269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1129269T 1955-07-27

Publications (1)

Publication Number Publication Date
FR1129269A true FR1129269A (en) 1957-01-17

Family

ID=9636799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1129269D Expired FR1129269A (en) 1955-07-27 1955-07-27 Electrical device for measuring industrial capacities, insensitive to leakage resistance

Country Status (1)

Country Link
FR (1) FR1129269A (en)

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