DE2128252A1 - - Google Patents

Info

Publication number
DE2128252A1
DE2128252A1 DE19712128252 DE2128252A DE2128252A1 DE 2128252 A1 DE2128252 A1 DE 2128252A1 DE 19712128252 DE19712128252 DE 19712128252 DE 2128252 A DE2128252 A DE 2128252A DE 2128252 A1 DE2128252 A1 DE 2128252A1
Authority
DE
Germany
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.)
Granted
Application number
DE19712128252
Other languages
German (de)
Other versions
DE2128252B1 (de
DE2128252C (de
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 DE19712128252 priority Critical patent/DE2128252C/de
Priority claimed from DE19712128252 external-priority patent/DE2128252C/de
Publication of DE2128252B1 publication Critical patent/DE2128252B1/de
Publication of DE2128252A1 publication Critical patent/DE2128252A1/de
Application granted granted Critical
Publication of DE2128252C publication Critical patent/DE2128252C/de
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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DE19712128252 1971-06-07 Flussigkeitsstandanzeiger Expired DE2128252C (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712128252 DE2128252C (de) 1971-06-07 Flussigkeitsstandanzeiger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712128252 DE2128252C (de) 1971-06-07 Flussigkeitsstandanzeiger

Publications (3)

Publication Number Publication Date
DE2128252B1 DE2128252B1 (de) 1973-01-25
DE2128252A1 true DE2128252A1 (enExample) 1973-01-25
DE2128252C DE2128252C (de) 1973-08-23

Family

ID=

Also Published As

Publication number Publication date
DE2128252B1 (de) 1973-01-25

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Legal Events

Date Code Title Description
B1 Publication of the examined application without previous publication of unexamined application
C2 Grant after previous publication (2nd publication)