DE3615259C2 - - Google Patents

Info

Publication number
DE3615259C2
DE3615259C2 DE19863615259 DE3615259A DE3615259C2 DE 3615259 C2 DE3615259 C2 DE 3615259C2 DE 19863615259 DE19863615259 DE 19863615259 DE 3615259 A DE3615259 A DE 3615259A DE 3615259 C2 DE3615259 C2 DE 3615259C2
Authority
DE
Germany
Prior art keywords
radiation
detector
measuring
radiation sources
zero
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 - Lifetime
Application number
DE19863615259
Other languages
German (de)
English (en)
Other versions
DE3615259A1 (de
Inventor
Karl Dipl.-Ing. Koukolitschek (Fh)
Gunther Dipl.-Phys. Dr.-Ing. 7500 Karlsruhe De Krieg
Wilfried 7519 Sulzfeld De Maier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19863615259 priority Critical patent/DE3615259A1/de
Publication of DE3615259A1 publication Critical patent/DE3615259A1/de
Application granted granted Critical
Publication of DE3615259C2 publication Critical patent/DE3615259C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N21/3151Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using two sources of radiation of different wavelengths
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/10Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J2001/161Ratio method, i.e. Im/Ir
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/10Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626Arrangements with two photodetectors, the signals of which are compared
    • G01J2001/1636Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J2001/4242Modulated light, e.g. for synchronizing source and detector circuit
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44Electric circuits
    • G01J2001/444Compensating; Calibrating, e.g. dark current, temperature drift, noise reduction or baseline correction; Adjusting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3181Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using LEDs
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/06Illumination; Optics
    • G01N2201/069Supply of sources
    • G01N2201/0696Pulsed

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19863615259 1986-05-06 1986-05-06 Verfahren und system zur kontinuierlichen bestimmung der konzentrationen von molekuehlverbindungen in fluessigkeiten und gasen Granted DE3615259A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863615259 DE3615259A1 (de) 1986-05-06 1986-05-06 Verfahren und system zur kontinuierlichen bestimmung der konzentrationen von molekuehlverbindungen in fluessigkeiten und gasen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863615259 DE3615259A1 (de) 1986-05-06 1986-05-06 Verfahren und system zur kontinuierlichen bestimmung der konzentrationen von molekuehlverbindungen in fluessigkeiten und gasen

Publications (2)

Publication Number Publication Date
DE3615259A1 DE3615259A1 (de) 1987-11-12
DE3615259C2 true DE3615259C2 (enrdf_load_stackoverflow) 1993-04-01

Family

ID=6300257

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863615259 Granted DE3615259A1 (de) 1986-05-06 1986-05-06 Verfahren und system zur kontinuierlichen bestimmung der konzentrationen von molekuehlverbindungen in fluessigkeiten und gasen

Country Status (1)

Country Link
DE (1) DE3615259A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320036A1 (de) * 1993-06-17 1994-12-22 Fraunhofer Ges Forschung Verfahren und Anordnung zur Driftkorrektur zeitdiskreter Meßsignale bezogen auf ein Referenzsignal, insbesondere in der absorptionsspektroskopischen Spurengasanalytik
DE4342246A1 (de) * 1993-12-10 1995-06-14 Riener Karl Stefan Charakteristische Absorption
DE19812289C2 (de) * 1998-03-20 2003-05-28 Karlsruhe Forschzent Gerät zur photoelektrischen Überwachung von Strömungsmedium mittels UV-Licht

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3726524A1 (de) * 1987-08-10 1989-02-23 Fresenius Ag Haemoglobindetektor
DE3904089A1 (de) * 1989-02-11 1990-08-16 Krieg Gunther Verfahren und vorrichtung zum messen der strahlungsabsorption durch ein medium
DE4138419A1 (de) * 1991-11-25 1993-05-27 Krieg G Prof Dr Ing Verfahren und vorrichtung zur praezisen bestimmung der alkoholkonzentration in fluessigkeiten
EP0629983A1 (en) * 1993-06-02 1994-12-21 David Appleby Obscuration type smoke detector
DE4320873A1 (de) * 1993-06-23 1995-01-05 Hekatron Gmbh Schaltungsanordnung für einen optischen Melder zur Umweltüberwachung und Anzeige eines Störmediums
DE4324141A1 (de) * 1993-07-19 1995-03-16 Krieg Gunther Verfahren und Vorrichtung zur kontinuierlichen, präzisen und zuverlässigen Bestimmung und Steuerung des Isopropanol - Gehaltes in Feuchtmitteln in Druckmaschinen
DE4416762A1 (de) * 1994-05-14 1995-11-23 Krieg Gunther Verfahren und Vorrichtung zur kontinuierlichen Messung des Bräunungsgrades bei Back- Koch- Röstprozessen in voll- oder halbautomatischen Back- Koch- Röstsystemen
DE19849847B4 (de) * 1998-10-29 2011-09-15 Gunther Krieg Verfahren und Vorrichtung zur präzisen, quantitativen Stoffananlyse in Flüssigkeiten, Gasen und Feststoffen
DE10141632A1 (de) * 2001-08-24 2003-11-27 Wissenschaftliche Werkstatt Fu Gasanalytische Vorrichtung in Infrarotoptischen Küvetten mit quergestellten Strahlern und Detektoren
DE10309193B4 (de) * 2003-03-03 2007-01-18 Tmd Friction Gmbh Verfahren zum Herstellen von Brems- oder Kupplungsbelägen
DE102004028077A1 (de) * 2004-06-09 2005-12-29 Tyco Electronics Raychem Gmbh Gassensoranordnung mit verkürzter Einschwingzeit
WO2012018298A1 (en) * 2010-08-01 2012-02-09 Chromalytica Ab Uv spectrophotometer for identification and detection of eluting compounds from gas chromatographic separations
DE102011007309A1 (de) * 2011-04-13 2012-10-18 Krones Aktiengesellschaft Verfahren und Vorrichtung zur Verschmutzungs- und Reinigungsvalidierung einer Anlage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734631A (en) * 1971-05-28 1973-05-22 Hewlett Packard Co Nondispersive infrared gas analyzer employing solid state emitters and photodetectors
DE2340747A1 (de) * 1972-10-26 1974-05-09 Bailey Meter Co Gasanalysengeraet
US3875413A (en) * 1973-10-09 1975-04-01 Hewlett Packard Co Infrared radiation source
DE2400221C3 (de) * 1974-01-03 1978-06-01 Bergwerksverband Gmbh, 4300 Essen Nichtd'ispers'ives Infrarot-Gasanalysengerät
DE2553565C3 (de) * 1975-11-28 1980-02-07 Hartmann & Braun Ag, 6000 Frankfurt Vorrichtung zur Bestimmung der Stickoxidkonzentration in einem Gasgemisch
JPS591977B2 (ja) * 1978-01-25 1984-01-14 株式会社京都第一科学 呈色試験紙を用いた分析方法
FR2417753A1 (fr) * 1978-02-15 1979-09-14 Hitachi Ltd Systeme de mesure optique a distance et de controle d'un objet subissant une transformation physique
JPS6120840A (ja) * 1984-07-09 1986-01-29 Horiba Ltd 赤外線分析計の校正機構

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320036A1 (de) * 1993-06-17 1994-12-22 Fraunhofer Ges Forschung Verfahren und Anordnung zur Driftkorrektur zeitdiskreter Meßsignale bezogen auf ein Referenzsignal, insbesondere in der absorptionsspektroskopischen Spurengasanalytik
DE4342246A1 (de) * 1993-12-10 1995-06-14 Riener Karl Stefan Charakteristische Absorption
DE19812289C2 (de) * 1998-03-20 2003-05-28 Karlsruhe Forschzent Gerät zur photoelektrischen Überwachung von Strömungsmedium mittels UV-Licht

Also Published As

Publication number Publication date
DE3615259A1 (de) 1987-11-12

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Legal Events

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OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition