WO1997015823A3 - Vorrichtung und messverfahren zur bestimmung des absorptions- und/oder streuungsgrades eines mediums - Google Patents

Vorrichtung und messverfahren zur bestimmung des absorptions- und/oder streuungsgrades eines mediums Download PDF

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Publication number
WO1997015823A3
WO1997015823A3 PCT/EP1996/004726 EP9604726W WO9715823A3 WO 1997015823 A3 WO1997015823 A3 WO 1997015823A3 EP 9604726 W EP9604726 W EP 9604726W WO 9715823 A3 WO9715823 A3 WO 9715823A3
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
medium
dispersion
absorption
determining
Prior art date
Application number
PCT/EP1996/004726
Other languages
English (en)
French (fr)
Other versions
WO1997015823A2 (de
Inventor
Thomas Hoelscher
Siegfried Woye
Original Assignee
Neue Messelektronik Dresden Gm
Thomas Hoelscher
Siegfried Woye
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 by Neue Messelektronik Dresden Gm, Thomas Hoelscher, Siegfried Woye filed Critical Neue Messelektronik Dresden Gm
Publication of WO1997015823A2 publication Critical patent/WO1997015823A2/de
Publication of WO1997015823A3 publication Critical patent/WO1997015823A3/de

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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
    • G01F23/288—X-rays; Gamma rays or other forms of ionising radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Toxicology (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Die Erfindung betrifft eine Vorrichtung zur Bestimmung des Absorptions- und/oder Streuungsgrades eines Mediums (8), wobei die Vorrichtung eine Strahlungsquelle (1) und einen Strahlendetektor (10) hat, und die Strahlungsquelle (1) eine Referenzstrahlung (5) bestimmter Intensität emittiert, und der Strahlendetektor (10) den durch das Medium (8) hindurchgetretenen Teil (7) der Referenzstrahlung (5), sowie Fremdstrahlung (11) detektiert und ein der Intensität der detektierten Strahlung (7, 11) entsprechendes Signal (12) an eine Auswertschaltung (13) weiterleitet, wobei die Strahlungsquelle (1) periodisch oder zeitweise die Referenzstrahlung (5) emittiert.
PCT/EP1996/004726 1995-10-27 1996-10-28 Vorrichtung und messverfahren zur bestimmung des absorptions- und/oder streuungsgrades eines mediums WO1997015823A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19540182.4 1995-10-27
DE19540182A DE19540182A1 (de) 1995-10-27 1995-10-27 Vorrichtung und Meßverfahren zur Bestimmung des Absorptions- und/oder Streuungsgrades eines Mediums

Publications (2)

Publication Number Publication Date
WO1997015823A2 WO1997015823A2 (de) 1997-05-01
WO1997015823A3 true WO1997015823A3 (de) 1997-05-29

Family

ID=7776025

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/004726 WO1997015823A2 (de) 1995-10-27 1996-10-28 Vorrichtung und messverfahren zur bestimmung des absorptions- und/oder streuungsgrades eines mediums

Country Status (2)

Country Link
DE (1) DE19540182A1 (de)
WO (1) WO1997015823A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010063240A1 (de) * 2010-12-16 2012-06-21 Endress + Hauser Gmbh + Co. Kg Radiometrisches Messgerät
DE102011077637A1 (de) * 2011-06-16 2012-12-20 Endress + Hauser Gmbh + Co. Kg Strahlenschutzbehälter
CN102706409A (zh) * 2012-06-19 2012-10-03 郭云昌 一种有关提高无源核子料位计信噪比的方法
DE102018204795A1 (de) * 2018-03-28 2019-10-02 Krones Ag Vorrichtung und Verfahren zur Kontrolle einer Füllhöhe von Verpackungsbehältern
DE102018215675B4 (de) 2018-09-14 2022-10-06 Vega Grieshaber Kg Fremdstrahlungserkennung mit Gamma-Modulator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678399A (en) * 1951-12-03 1954-05-11 Shell Dev Measurement of radiation absorption
DE2001513A1 (de) * 1969-01-15 1970-07-23 Commissariat Energie Atomique Vorrichtung zur Messung des Gehalts einer Probe an einem Element durch Gamma-Absorptiometrie
US4720808A (en) * 1985-05-15 1988-01-19 Josef Repsch Method and apparatus for measuring sheet products

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306550A1 (de) * 1973-02-10 1974-08-15 Frieseke & Hoepfner Gmbh Geraet zum messen des flaechengewichtes von textilbahnen oder aehnlichem bahnfoermigem messgut
DE3425295C2 (de) * 1984-07-10 1986-07-24 Hoesch Ag, 4600 Dortmund Vorrichtung zur Messung des Dickenprofils von gewalzten Blechbändern
EP0221323A1 (de) * 1985-10-08 1987-05-13 Heimann GmbH Gepäckprüfanlage
DE3736673A1 (de) * 1987-10-29 1989-05-11 Fraunhofer Ges Forschung Infrarot-analysengeraet
DE4114030C1 (de) * 1991-04-29 1992-09-17 Laboratorium Prof. Dr. Rudolf Berthold Gmbh & Co, 7547 Wildbad, De
DE4135282C2 (de) * 1991-10-25 1994-09-22 Heimann Systems Gmbh & Co Röntgenscanner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678399A (en) * 1951-12-03 1954-05-11 Shell Dev Measurement of radiation absorption
DE2001513A1 (de) * 1969-01-15 1970-07-23 Commissariat Energie Atomique Vorrichtung zur Messung des Gehalts einer Probe an einem Element durch Gamma-Absorptiometrie
US4720808A (en) * 1985-05-15 1988-01-19 Josef Repsch Method and apparatus for measuring sheet products

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HEIER K.: "Radiometrische Füllstandmessungen", AUTOMATISIERUNGSTECHNISCHE PRAXIS, vol. 27, no. 7, July 1985 (1985-07-01), MÜNCHEN, pages 313 - 319, XP002028702 *
TOWNSHEND: "Encyclopedia of analytical science, vol 7", 1995, ACADEMIC PRESS, LONDON, XP002028703 *

Also Published As

Publication number Publication date
WO1997015823A2 (de) 1997-05-01
DE19540182A1 (de) 1997-04-30

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