JPH0545177B2 - - Google Patents

Info

Publication number
JPH0545177B2
JPH0545177B2 JP61222326A JP22232686A JPH0545177B2 JP H0545177 B2 JPH0545177 B2 JP H0545177B2 JP 61222326 A JP61222326 A JP 61222326A JP 22232686 A JP22232686 A JP 22232686A JP H0545177 B2 JPH0545177 B2 JP H0545177B2
Authority
JP
Japan
Prior art keywords
gas
light
component
output signal
circuit
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 - Fee Related
Application number
JP61222326A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6378053A (ja
Inventor
Ichiro Asano
Aritoshi Yoneda
Takao Imaki
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.)
Horiba Ltd
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
Priority to JP61222326A priority Critical patent/JPS6378053A/ja
Priority to EP87112686A priority patent/EP0261452B1/en
Priority to AT87112686T priority patent/ATE85849T1/de
Priority to DE8787112686T priority patent/DE3784206T2/de
Publication of JPS6378053A publication Critical patent/JPS6378053A/ja
Publication of JPH0545177B2 publication Critical patent/JPH0545177B2/ja
Granted legal-status Critical Current

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
    • G01N21/276—Calibration, base line adjustment, drift correction with alternation of sample and standard in optical path
    • 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

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)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
JP61222326A 1986-09-20 1986-09-20 ガス分析計 Granted JPS6378053A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61222326A JPS6378053A (ja) 1986-09-20 1986-09-20 ガス分析計
EP87112686A EP0261452B1 (en) 1986-09-20 1987-08-31 Gas analyzer
AT87112686T ATE85849T1 (de) 1986-09-20 1987-08-31 Gasanalysiervorrichtung.
DE8787112686T DE3784206T2 (de) 1986-09-20 1987-08-31 Gasanalysiervorrichtung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61222326A JPS6378053A (ja) 1986-09-20 1986-09-20 ガス分析計

Publications (2)

Publication Number Publication Date
JPS6378053A JPS6378053A (ja) 1988-04-08
JPH0545177B2 true JPH0545177B2 (en]) 1993-07-08

Family

ID=16780597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61222326A Granted JPS6378053A (ja) 1986-09-20 1986-09-20 ガス分析計

Country Status (4)

Country Link
EP (1) EP0261452B1 (en])
JP (1) JPS6378053A (en])
AT (1) ATE85849T1 (en])
DE (1) DE3784206T2 (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0774784B2 (ja) * 1989-05-20 1995-08-09 株式会社堀場製作所 赤外線分析計
US5340987A (en) * 1991-03-15 1994-08-23 Li-Cor, Inc. Apparatus and method for analyzing gas
JP2744742B2 (ja) * 1992-11-05 1998-04-28 東京電力株式会社 ガス濃度測定方法およびその測定装置
JP4397213B2 (ja) * 2003-10-28 2010-01-13 株式会社アイ電子工業 オゾン水濃度測定装置
DE102006059652A1 (de) * 2006-12-18 2008-06-26 Tyco Electronics Raychem Gmbh Verfahren zum Verarbeiten eines analogen Sensorsignals in einer Gassensoranordnung und Messwertverarbeitungsvorrichtung
CN107438761A (zh) * 2015-01-14 2017-12-05 Abb瑞士股份有限公司 用于确定存在于电气设备的舱中的流体的流体成分的特性的方法
CN106769977A (zh) * 2016-12-30 2017-05-31 武汉市欧睿科技有限公司 一种手持高精度气体定量检漏仪

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT989347B (it) * 1972-06-23 1975-05-20 Bayer Ag Fotometro d esercizio ad autocom pensazione
DE2520197C2 (de) * 1975-05-06 1983-11-17 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Driftkompensierung eines Gasanalysators
JPS5494387A (en) * 1978-01-10 1979-07-26 Horiba Ltd Gas analyzer
GB2035552B (en) * 1978-11-29 1983-07-06 Land Pyrometers Ltd Radiation detection of gas compositions
JPS5928855B2 (ja) * 1979-02-15 1984-07-16 マツダ株式会社 内燃機関の排ガス測定方法
US4265964A (en) * 1979-12-26 1981-05-05 Arco Polymers, Inc. Lightweight frothed gypsum structural units

Also Published As

Publication number Publication date
EP0261452B1 (en) 1993-02-17
EP0261452A3 (en) 1990-01-31
JPS6378053A (ja) 1988-04-08
DE3784206T2 (de) 1993-09-09
EP0261452A2 (en) 1988-03-30
ATE85849T1 (de) 1993-03-15
DE3784206D1 (de) 1993-03-25

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees