BE558814A - - Google Patents

Info

Publication number
BE558814A
BE558814A BE558814DA BE558814A BE 558814 A BE558814 A BE 558814A BE 558814D A BE558814D A BE 558814DA BE 558814 A BE558814 A BE 558814A
Authority
BE
Belgium
Prior art keywords
relays
luminescence
differential amplifier
level
counter tube
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE558814A publication Critical patent/BE558814A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • G01F23/288X-rays; Gamma rays or other forms of ionising radiation
    • G01F23/2885X-rays; Gamma rays or other forms of ionising radiation for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
BE558814D BE558814A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE558814A true BE558814A (enrdf_load_stackoverflow)

Family

ID=181742

Family Applications (1)

Application Number Title Priority Date Filing Date
BE558814D BE558814A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE558814A (enrdf_load_stackoverflow)

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