FI893329A0 - Anordning och foerfarande foer avlaegsnande av gash som stoer maetningar i gasdetektorer. - Google Patents

Anordning och foerfarande foer avlaegsnande av gash som stoer maetningar i gasdetektorer.

Info

Publication number
FI893329A0
FI893329A0 FI893329A FI893329A FI893329A0 FI 893329 A0 FI893329 A0 FI 893329A0 FI 893329 A FI893329 A FI 893329A FI 893329 A FI893329 A FI 893329A FI 893329 A0 FI893329 A0 FI 893329A0
Authority
FI
Finland
Prior art keywords
maetningar
gasdetektorer
stoer
gash
som
Prior art date
Application number
FI893329A
Other languages
English (en)
Other versions
FI87694C (fi
FI893329A (fi
FI87694B (fi
Inventor
Boerje Tor Rantala
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 FI893329A priority Critical patent/FI87694C/fi
Publication of FI893329A0 publication Critical patent/FI893329A0/fi
Priority to US07/549,562 priority patent/US5091649A/en
Priority to DE4021864A priority patent/DE4021864A1/de
Publication of FI893329A publication Critical patent/FI893329A/fi
Application granted granted Critical
Publication of FI87694B publication Critical patent/FI87694B/fi
Publication of FI87694C publication Critical patent/FI87694C/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
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/023—Controlling conditions in casing
    • G01N2201/0233—Gas purge

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)
  • Gas Separation By Absorption (AREA)
FI893329A 1989-07-07 1989-07-07 Avlaegsnande av gaser som stoer maetningar av en gasindikator FI87694C (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI893329A FI87694C (fi) 1989-07-07 1989-07-07 Avlaegsnande av gaser som stoer maetningar av en gasindikator
US07/549,562 US5091649A (en) 1989-07-07 1990-07-06 Removal of gases disturbing the measurements of a gas detector
DE4021864A DE4021864A1 (de) 1989-07-07 1990-07-09 Messen von gas und entfernen von die messung stoerenden gasen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI893329A FI87694C (fi) 1989-07-07 1989-07-07 Avlaegsnande av gaser som stoer maetningar av en gasindikator
FI893329 1989-07-07

Publications (4)

Publication Number Publication Date
FI893329A0 true FI893329A0 (fi) 1989-07-07
FI893329A FI893329A (fi) 1991-01-08
FI87694B FI87694B (fi) 1992-10-30
FI87694C FI87694C (fi) 1993-02-10

Family

ID=8528742

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893329A FI87694C (fi) 1989-07-07 1989-07-07 Avlaegsnande av gaser som stoer maetningar av en gasindikator

Country Status (3)

Country Link
US (1) US5091649A (fi)
DE (1) DE4021864A1 (fi)
FI (1) FI87694C (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5340987A (en) * 1991-03-15 1994-08-23 Li-Cor, Inc. Apparatus and method for analyzing gas
DE4114276C2 (de) * 1991-05-02 1996-09-19 Spectro Analytical Instr Gasgefülltes UV-Spektrometer
FR2677453B1 (fr) * 1991-06-10 1993-10-08 Aegys Technology Sa Procede et appareil de dosage spectrophotometrique des liquides aqueux.
DE4213051A1 (de) * 1992-04-21 1993-10-28 Siemens Ag Verfahren und Anordnung zum Messen der Konzentration eines Nachweisgases in einem ein Störgas enthaltenden Meßgas
US5506149A (en) * 1995-03-03 1996-04-09 Thermo Jarrell Ash Corporation Spectroanalytical system and method
US6002133A (en) * 1997-08-19 1999-12-14 Datex-Ohmeda, Inc. Serviceable absorbent for gas spectrometer interior
US7928394B1 (en) * 2007-08-21 2011-04-19 Fluke Corporation Testing device containing a gas sensor
US8253942B2 (en) * 2007-09-27 2012-08-28 Scott Technologies, Inc. Optical gas detector
CN101592603B (zh) * 2008-05-29 2011-01-12 北京市加华博来科技有限公司 低能耗红外瓦斯传感器
AT512375B1 (de) * 2011-12-23 2013-11-15 Anton Paar Gmbh Verfahren und sensor zur messung des co2-gehaltes von fluiden
DE102012007561B4 (de) * 2012-04-14 2014-07-10 Dräger Safety AG & Co. KGaA Gasdetektorsystem
KR102450625B1 (ko) * 2017-08-31 2022-10-07 서울바이오시스 주식회사 검출기
SE2150303A1 (en) * 2021-03-17 2022-09-18 Medclair AB Gas sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334264A1 (de) * 1982-09-25 1984-04-05 Showa Denko K.K., Tokyo Verfahren und messgeraet zum messen der methan-konzentration in einem gasgemisch
AT379452B (de) * 1983-04-21 1986-01-10 Avl Verbrennungskraft Messtech Verfahren zur bestimmung der massen von absorbierenden anteilen einer probe und vorrichtung zur durchfuehrung des verfahrens
US4803370A (en) * 1987-05-18 1989-02-07 Li-Cor, Inc. Infrared light generation
US4793830A (en) * 1987-12-28 1988-12-27 Murphy Milton K Process for producing high quality gas for instrumentation application using gas separation membranes
US4914719A (en) * 1989-03-10 1990-04-03 Criticare Systems, Inc. Multiple component gas analyzer

Also Published As

Publication number Publication date
FI87694C (fi) 1993-02-10
DE4021864A1 (de) 1991-01-17
FI893329A (fi) 1991-01-08
FI87694B (fi) 1992-10-30
US5091649A (en) 1992-02-25

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: INSTRUMENTARIUM OY