JP7775995B2 - ガス濃度測定装置 - Google Patents

ガス濃度測定装置

Info

Publication number
JP7775995B2
JP7775995B2 JP2024516133A JP2024516133A JP7775995B2 JP 7775995 B2 JP7775995 B2 JP 7775995B2 JP 2024516133 A JP2024516133 A JP 2024516133A JP 2024516133 A JP2024516133 A JP 2024516133A JP 7775995 B2 JP7775995 B2 JP 7775995B2
Authority
JP
Japan
Prior art keywords
gas
measuring device
permeable membrane
gas concentration
driver
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.)
Active
Application number
JP2024516133A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023203918A5 (https=
JPWO2023203918A1 (https=
Inventor
陽平 山口
正子 天白
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of JPWO2023203918A1 publication Critical patent/JPWO2023203918A1/ja
Publication of JPWO2023203918A5 publication Critical patent/JPWO2023203918A5/ja
Application granted granted Critical
Publication of JP7775995B2 publication Critical patent/JP7775995B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/004—CO or CO2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2024516133A 2022-04-21 2023-03-13 ガス濃度測定装置 Active JP7775995B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022070044 2022-04-21
JP2022070044 2022-04-21
PCT/JP2023/009654 WO2023203918A1 (ja) 2022-04-21 2023-03-13 ガス濃度測定装置

Publications (3)

Publication Number Publication Date
JPWO2023203918A1 JPWO2023203918A1 (https=) 2023-10-26
JPWO2023203918A5 JPWO2023203918A5 (https=) 2024-10-29
JP7775995B2 true JP7775995B2 (ja) 2025-11-26

Family

ID=88419773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024516133A Active JP7775995B2 (ja) 2022-04-21 2023-03-13 ガス濃度測定装置

Country Status (4)

Country Link
US (1) US20250027921A1 (https=)
JP (1) JP7775995B2 (https=)
CN (1) CN118974534A (https=)
WO (1) WO2023203918A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006090785A (ja) 2004-09-22 2006-04-06 Central Res Inst Of Electric Power Ind 自立型の海洋二酸化炭素分圧センサ
JP2008180524A (ja) 2007-01-23 2008-08-07 Hitachi Ltd 油入り機器の油中ガス分析装置
US20210210321A1 (en) 2018-05-24 2021-07-08 Geomar Helmholtz-Zentrum Fuer Ozeanforschung Kiel Underwater gas measurement apparatus for gases dissolved in water

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5608167A (en) * 1995-02-21 1997-03-04 Orbisphere Laboratories Neuchatel Sa Membrane-enclosed sensor, flow control element and analytic method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006090785A (ja) 2004-09-22 2006-04-06 Central Res Inst Of Electric Power Ind 自立型の海洋二酸化炭素分圧センサ
JP2008180524A (ja) 2007-01-23 2008-08-07 Hitachi Ltd 油入り機器の油中ガス分析装置
US20210210321A1 (en) 2018-05-24 2021-07-08 Geomar Helmholtz-Zentrum Fuer Ozeanforschung Kiel Underwater gas measurement apparatus for gases dissolved in water

Also Published As

Publication number Publication date
WO2023203918A1 (ja) 2023-10-26
CN118974534A (zh) 2024-11-15
US20250027921A1 (en) 2025-01-23
JPWO2023203918A1 (https=) 2023-10-26

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