ATE69307T1 - Schaltkreis zur empfindlichkeitskalibrierung von absorptionsanalysegeraeten. - Google Patents

Schaltkreis zur empfindlichkeitskalibrierung von absorptionsanalysegeraeten.

Info

Publication number
ATE69307T1
ATE69307T1 AT86111872T AT86111872T ATE69307T1 AT E69307 T1 ATE69307 T1 AT E69307T1 AT 86111872 T AT86111872 T AT 86111872T AT 86111872 T AT86111872 T AT 86111872T AT E69307 T1 ATE69307 T1 AT E69307T1
Authority
AT
Austria
Prior art keywords
temperature
checking
calibration
analyzer
state
Prior art date
Application number
AT86111872T
Other languages
English (en)
Inventor
Nobutaka Kihara
Ichiro Asano
Kennosuke Kojima
Original Assignee
Horiba Ltd
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 Horiba Ltd filed Critical Horiba Ltd
Application granted granted Critical
Publication of ATE69307T1 publication Critical patent/ATE69307T1/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT86111872T 1985-11-09 1986-08-27 Schaltkreis zur empfindlichkeitskalibrierung von absorptionsanalysegeraeten. ATE69307T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60251524A JPS62112038A (ja) 1985-11-09 1985-11-09 吸光分析計における感度校正機構
EP86111872A EP0222993B1 (de) 1985-11-09 1986-08-27 Schaltkreis zur Empfindlichkeitskalibrierung von Absorptionsanalysegeräten

Publications (1)

Publication Number Publication Date
ATE69307T1 true ATE69307T1 (de) 1991-11-15

Family

ID=17224089

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86111872T ATE69307T1 (de) 1985-11-09 1986-08-27 Schaltkreis zur empfindlichkeitskalibrierung von absorptionsanalysegeraeten.

Country Status (5)

Country Link
US (1) US4766304A (de)
EP (1) EP0222993B1 (de)
JP (1) JPS62112038A (de)
AT (1) ATE69307T1 (de)
DE (1) DE3682373D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933543A (en) * 1987-09-25 1990-06-12 Chesley F. Carlson Dark signal compensation for diode arrays
US4918311A (en) * 1988-04-15 1990-04-17 Andros Analyzers Incorporated Set point control circuit for an infrared gas analyzer
ATE86753T1 (de) * 1988-11-04 1993-03-15 Horiba Ltd Temperaturkompensationsschaltung.
FI934871A0 (fi) * 1993-11-03 1993-11-03 Instrumentarium Oy Foerfarande och anordning foer kompensering av vaermekrypningen hos en gasanalysator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783300A (en) * 1972-09-18 1974-01-01 Atomic Energy Commission Automatic photomultiplier tube voltage controller
US3840305A (en) * 1973-07-20 1974-10-08 Itt Electro-optical apparatus with temperature compensation
US3988682A (en) * 1975-06-23 1976-10-26 The United States Of America As Represented By The Secretary Of The Navy Voltage ramp temperature controller
DD132814B1 (de) * 1977-08-24 1981-02-25 Volkmar Hess Schaltungsanordnung zur temperaturkompensation von nichtdispersiven infrarot-gasanalysatoren
US4167665A (en) * 1977-10-31 1979-09-11 Dasibi Environmental Corporation Automatic calibration circuit for gas analyzers
US4346296A (en) * 1980-08-15 1982-08-24 Andros Analyzers Incorporated Non-dispersive infrared gas analyzer
US4358679A (en) * 1980-09-02 1982-11-09 Astro Safety Products Inc. Calibration of analyzers employing radiant energy
DD154915A1 (de) * 1980-12-01 1982-04-28 Hartmut Sommerlatt Anordnung zur kompensation des temperatureinflusses auf einem elektrischen messwertgeber

Also Published As

Publication number Publication date
EP0222993A3 (en) 1988-05-04
JPH052182B2 (de) 1993-01-11
EP0222993A2 (de) 1987-05-27
US4766304A (en) 1988-08-23
DE3682373D1 (de) 1991-12-12
JPS62112038A (ja) 1987-05-23
EP0222993B1 (de) 1991-11-06

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee