JPS5280888A - Gas leakage alarm - Google Patents

Gas leakage alarm

Info

Publication number
JPS5280888A
JPS5280888A JP15675175A JP15675175A JPS5280888A JP S5280888 A JPS5280888 A JP S5280888A JP 15675175 A JP15675175 A JP 15675175A JP 15675175 A JP15675175 A JP 15675175A JP S5280888 A JPS5280888 A JP S5280888A
Authority
JP
Japan
Prior art keywords
gas leakage
leakage alarm
gas
alarm
cooperating
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.)
Pending
Application number
JP15675175A
Other languages
Japanese (ja)
Inventor
Kuniharu Yamada
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15675175A priority Critical patent/JPS5280888A/en
Publication of JPS5280888A publication Critical patent/JPS5280888A/en
Pending 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
    • G01N21/31—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)
  • 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)

Abstract

PURPOSE:Deterioration in sensitivity characteristics is prevented by detecting gas through the use of infrared absorption spectra of the gas to be detected and cooperating this device to an alarm device.
JP15675175A 1975-12-27 1975-12-27 Gas leakage alarm Pending JPS5280888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15675175A JPS5280888A (en) 1975-12-27 1975-12-27 Gas leakage alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15675175A JPS5280888A (en) 1975-12-27 1975-12-27 Gas leakage alarm

Publications (1)

Publication Number Publication Date
JPS5280888A true JPS5280888A (en) 1977-07-06

Family

ID=15634512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15675175A Pending JPS5280888A (en) 1975-12-27 1975-12-27 Gas leakage alarm

Country Status (1)

Country Link
JP (1) JPS5280888A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8193496B2 (en) 2003-06-11 2012-06-05 Leak Surveys, Inc. Methods for performing inspections and detecting chemical leaks using an infrared camera system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8193496B2 (en) 2003-06-11 2012-06-05 Leak Surveys, Inc. Methods for performing inspections and detecting chemical leaks using an infrared camera system
US8426813B2 (en) 2003-06-11 2013-04-23 Leak Surveys, Inc. Chemical leak inspection system

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