ATE134038T1 - Driftkompensation der vorspannung bei instrumenten der quantitativen analyse im nahen infrarot - Google Patents

Driftkompensation der vorspannung bei instrumenten der quantitativen analyse im nahen infrarot

Info

Publication number
ATE134038T1
ATE134038T1 AT90903575T AT90903575T ATE134038T1 AT E134038 T1 ATE134038 T1 AT E134038T1 AT 90903575 T AT90903575 T AT 90903575T AT 90903575 T AT90903575 T AT 90903575T AT E134038 T1 ATE134038 T1 AT E134038T1
Authority
AT
Austria
Prior art keywords
near infrared
bias
quantitative analysis
drift compensation
analysis instruments
Prior art date
Application number
AT90903575T
Other languages
English (en)
Inventor
Robert D Rosenthal
Original Assignee
Futrex Inc
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 Futrex Inc filed Critical Futrex Inc
Application granted granted Critical
Publication of ATE134038T1 publication Critical patent/ATE134038T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
AT90903575T 1988-12-20 1989-12-19 Driftkompensation der vorspannung bei instrumenten der quantitativen analyse im nahen infrarot ATE134038T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/286,740 US4970671A (en) 1988-12-20 1988-12-20 Bias drift compensation in near infrared quantitative analysis instruments

Publications (1)

Publication Number Publication Date
ATE134038T1 true ATE134038T1 (de) 1996-02-15

Family

ID=23099964

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90903575T ATE134038T1 (de) 1988-12-20 1989-12-19 Driftkompensation der vorspannung bei instrumenten der quantitativen analyse im nahen infrarot

Country Status (6)

Country Link
US (1) US4970671A (de)
EP (1) EP0449992B1 (de)
AT (1) ATE134038T1 (de)
AU (1) AU5152090A (de)
DE (1) DE68925647D1 (de)
WO (1) WO1990007160A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332974A (en) * 1990-05-01 1994-07-26 Hewlett-Packard Company Network analyzer performance verification
AT399053B (de) * 1991-09-20 1995-03-27 Avl Verbrennungskraft Messtech Messeinrichtung zur bestimmung von eigenschaften einer probe
US5279505A (en) * 1992-11-02 1994-01-18 Comguard, Inc. Apparatus for securely attaching a casing to a person
US5822225A (en) * 1994-09-21 1998-10-13 Ericsson Raynet Corporation Self-calibrating data processors and methods for calibrating same
US5933792A (en) * 1995-02-09 1999-08-03 Foss Electric A/S Method of standardizing a spectrometer
US6404500B1 (en) * 1999-01-25 2002-06-11 Aqua Check Systems, Inc Colorimeter apparatus and related process
US6559655B1 (en) 2001-04-30 2003-05-06 Zeltex, Inc. System and method for analyzing agricultural products on harvesting equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681577A (en) * 1970-10-30 1972-08-01 Technicon Instr Automatic calibration apparatus
US4040747A (en) * 1972-08-24 1977-08-09 Neotec Corporation Optical analyzer for agricultural products
US4171913A (en) * 1972-12-20 1979-10-23 Varian Techtron Proprietary Limited Spectrophotometer
US4286327A (en) * 1979-09-10 1981-08-25 Trebor Industries, Inc. Apparatus for near infrared quantitative analysis
US4404642A (en) * 1981-05-15 1983-09-13 Trebor Industries, Inc. Apparatus for near infrared quantitative analysis with temperature variation correction
US4744657A (en) * 1985-07-11 1988-05-17 Beckman Instruments, Inc. Method and record for calibration of a spectrophotometer
US4684245A (en) * 1985-10-28 1987-08-04 Oximetrix, Inc. Electro-optical coupler for catheter oximeter
US4687934A (en) * 1986-01-10 1987-08-18 Andros Analyzers Incorporated Infrared gas analyzer with automatic zero adjustment

Also Published As

Publication number Publication date
WO1990007160A1 (en) 1990-06-28
EP0449992A4 (en) 1992-05-06
AU5152090A (en) 1990-07-10
US4970671A (en) 1990-11-13
EP0449992A1 (de) 1991-10-09
EP0449992B1 (de) 1996-02-07
DE68925647D1 (de) 1996-03-21

Similar Documents

Publication Publication Date Title
Sekiguchi et al. A Study of the B− V Color-Temperature Relation
US6107631A (en) Self-calibration approach for tunable laser spectral absorption sensors
US5272090A (en) Sensor element for determining the amount of oxygen dissolved in a sample
ATE138737T1 (de) Kalibrierung eines spektroskopischen instruments
KR850006894A (ko) 작은 칫수의 쌤플표면의 확산반사도를 결정하기 위한 장치
SE9103165L (sv) Stressnivaamaetningsanordning
WO2003002991A3 (de) Vorrichtung zur fotometrischen messung mehrerer proben
ATE134038T1 (de) Driftkompensation der vorspannung bei instrumenten der quantitativen analyse im nahen infrarot
DE58908485D1 (de) Kalibriereinrichtung für ein nichtdispersives Infrarot-Fotometer.
US6249343B1 (en) Wavelength reference standard using multiple gases
DE59806474D1 (de) Vorrichtung zur kalibrierung und verifizierung der genauigkeit von chirurgischen instrumenten
ATE282833T1 (de) Methode und apparat zur lokalen temperaturmessung für hochauflösende in-situ messung
SE9100393L (sv) Foerfarande och anordning foer bestaemning av termisk laengdutvidgning hos laangstraeckta kroppar
DE3867096D1 (de) Kolorimetrisches gasmessgeraet.
SE8404266L (sv) Sett att oka noggrannheten hos ett lengdmetsystem genom att kalibrera detta mot ett noggrannare referenssystem
KR920018482A (ko) 분석기 시스템을 표준 분석기에 대하여 정상화하는 방법
EP0833153A3 (de) Verfahren zur instrumentellen Bestimmung einer sich zeitabhängig ändernden Messgrösse
ATE30963T1 (de) Anordnung zur messung physikalischer groessen.
DE69106089D1 (de) Bistabile, reibungsfreie, weltraumtaugliche Anordnung, insbesondere zur Abdeckung der Eintrittsöffnung eines optischen Instruments im Weltraum.
US6335997B1 (en) Device and method for attenuating a low-level light source over a very wide dynamic range
Russell et al. Comments on" The Precision and Accuracy of Volz Sunphotometry"
JPS6449937A (en) Optical densitometer
Scanlon et al. The Determination of Absolute Infrared Intensities with a Fourier Transform Spectrometer
JPS6449940A (en) Method for measuring concentration of material in leaf
SE8602406L (sv) Sett att bestemma densitet for underliggande lager

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties