FI56902B - Gasanalysator - Google Patents

Gasanalysator

Info

Publication number
FI56902B
FI56902B FI782692A FI782692A FI56902B FI 56902 B FI56902 B FI 56902B FI 782692 A FI782692 A FI 782692A FI 782692 A FI782692 A FI 782692A FI 56902 B FI56902 B FI 56902B
Authority
FI
Finland
Prior art keywords
gasanalysator
Prior art date
Application number
FI782692A
Other languages
English (en)
Other versions
FI56902C (fi
Inventor
Hannu Ahjopalo
Jorma Auvinen
Original Assignee
Instrumentarium Oy
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 Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI782692A priority Critical patent/FI56902C/fi
Priority to SE7907265A priority patent/SE440407B/sv
Priority to US06/071,564 priority patent/US4266131A/en
Priority to GB7930187A priority patent/GB2031146B/en
Priority to FR7921949A priority patent/FR2435030A1/fr
Priority to NL7906551A priority patent/NL7906551A/nl
Priority to JP11233779A priority patent/JPS5554432A/ja
Priority to DE19792935509 priority patent/DE2935509A1/de
Publication of FI56902B publication Critical patent/FI56902B/fi
Application granted granted Critical
Publication of FI56902C publication Critical patent/FI56902C/fi

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
    • G01N21/31—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
    • G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection

Landscapes

  • Physics & Mathematics (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)
  • Spectrometry And Color Measurement (AREA)
FI782692A 1978-09-01 1978-09-01 Gasanalysator FI56902C (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI782692A FI56902C (fi) 1978-09-01 1978-09-01 Gasanalysator
SE7907265A SE440407B (sv) 1978-09-01 1979-08-31 Gasanalysator
US06/071,564 US4266131A (en) 1978-09-01 1979-08-31 Gas analyzer
GB7930187A GB2031146B (en) 1978-09-01 1979-08-31 Gasanalyzer
FR7921949A FR2435030A1 (fr) 1978-09-01 1979-08-31 Analyseur de gaz avec element d'attenuation
NL7906551A NL7906551A (nl) 1978-09-01 1979-08-31 Gasanalyse-inrichting.
JP11233779A JPS5554432A (en) 1978-09-01 1979-09-01 Gas analyzer
DE19792935509 DE2935509A1 (de) 1978-09-01 1979-09-03 Gasanalysegeraet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI782692A FI56902C (fi) 1978-09-01 1978-09-01 Gasanalysator
FI782692 1978-09-01

Publications (2)

Publication Number Publication Date
FI56902B true FI56902B (fi) 1979-12-31
FI56902C FI56902C (fi) 1980-04-10

Family

ID=8511976

Family Applications (1)

Application Number Title Priority Date Filing Date
FI782692A FI56902C (fi) 1978-09-01 1978-09-01 Gasanalysator

Country Status (8)

Country Link
US (1) US4266131A (fi)
JP (1) JPS5554432A (fi)
DE (1) DE2935509A1 (fi)
FI (1) FI56902C (fi)
FR (1) FR2435030A1 (fi)
GB (1) GB2031146B (fi)
NL (1) NL7906551A (fi)
SE (1) SE440407B (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370553A (en) * 1980-07-02 1983-01-25 Sensors, Inc. Contaminated sample gas analyzer and gas cell therefor
US4413427A (en) * 1981-07-29 1983-11-08 Aer Corporation Fuel control system for dryer
US4499377A (en) * 1982-09-29 1985-02-12 Acme Engineering Products Ltd. Detection and control system based on ambient air quality
FI67625C (fi) * 1983-04-06 1985-04-10 Instrumentarium Oy Foerfarande foer eliminering av maetningsfel vid fotometeranalys
JPH0432601Y2 (fi) * 1985-12-20 1992-08-05
DE3627232C2 (de) * 1986-08-11 1995-11-16 Leybold Ag Fotometer
US4907166A (en) * 1986-10-17 1990-03-06 Nellcor, Inc. Multichannel gas analyzer and method of use
US4817013A (en) * 1986-10-17 1989-03-28 Nellcor, Inc. Multichannel gas analyzer and method of use
US5510269A (en) * 1992-11-20 1996-04-23 Sensors, Inc. Infrared method and apparatus for measuring gas concentration including electronic calibration
DE4342246C2 (de) * 1993-12-10 1997-03-20 Karl Stefan Riener Charakteristische Absorption
US5464983A (en) * 1994-04-05 1995-11-07 Industrial Scientific Corporation Method and apparatus for determining the concentration of a gas
US5870185A (en) * 1996-10-21 1999-02-09 C.F.C. Technology, Inc. Apparatus and method for fluid analysis
US5925831A (en) 1997-10-18 1999-07-20 Cardiopulmonary Technologies, Inc. Respiratory air flow sensor
US6809807B1 (en) 1999-03-09 2004-10-26 Integ, Inc. Body fluid analyte measurement
WO2006017782A1 (en) * 2004-08-05 2006-02-16 Acton Reserch Corporation A self-referencing instrument and method thereof for measuring electromagnetic properties
US11204378B2 (en) * 2019-12-30 2021-12-21 Texas Instruments Incorporated Background suppression for MM-wave spectroscopy
US11652455B2 (en) * 2021-02-11 2023-05-16 Cirrus Logic, Inc. Chop tone management for a current sensor or a voltage sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116413A (en) * 1959-07-04 1963-12-31 Hartmann & Braun Ag Apparatus for the analysis of gas mixtures by absorption of radiation
US3193676A (en) * 1961-12-15 1965-07-06 Parsons & Co Sir Howard G Infra-red gas analysers
US3560736A (en) * 1968-10-09 1971-02-02 Mine Safety Appliances Co Non-dispersive infrared gas analyzer with unbalanced operation
US3790797A (en) * 1971-09-07 1974-02-05 S Sternberg Method and system for the infrared analysis of gases
US4008394A (en) * 1973-06-28 1977-02-15 Sensors, Inc. Gas analyzing
US4087690A (en) * 1976-06-22 1978-05-02 E. I. Du Pont De Nemours And Company Spurious radiation compensation in infrared analyzers
GB1560613A (en) * 1977-03-24 1980-02-06 Yokogawa Electric Works Ltd Infrared gas analyzer

Also Published As

Publication number Publication date
NL7906551A (nl) 1980-03-04
GB2031146B (en) 1983-01-06
SE7907265L (sv) 1980-03-02
US4266131A (en) 1981-05-05
FI56902C (fi) 1980-04-10
JPS5554432A (en) 1980-04-21
FR2435030A1 (fr) 1980-03-28
FR2435030B1 (fi) 1984-06-29
DE2935509A1 (de) 1980-03-13
SE440407B (sv) 1985-07-29
GB2031146A (en) 1980-04-16

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: INSTRUMENTARIUM OY