DK0760474T3 - Fotoakustisk gassensor og dennes anvendelse - Google Patents

Fotoakustisk gassensor og dennes anvendelse

Info

Publication number
DK0760474T3
DK0760474T3 DK95113854T DK95113854T DK0760474T3 DK 0760474 T3 DK0760474 T3 DK 0760474T3 DK 95113854 T DK95113854 T DK 95113854T DK 95113854 T DK95113854 T DK 95113854T DK 0760474 T3 DK0760474 T3 DK 0760474T3
Authority
DK
Denmark
Prior art keywords
sensor body
measuring cell
measuring
cylindrical
gas sensor
Prior art date
Application number
DK95113854T
Other languages
English (en)
Inventor
Martin Dr Forster
Rolf Pleisch
Maurad Dr Baraket
Original Assignee
Siemens Building Tech Ag
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 Siemens Building Tech Ag filed Critical Siemens Building Tech Ag
Application granted granted Critical
Publication of DK0760474T3 publication Critical patent/DK0760474T3/da

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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02872—Pressure

Landscapes

  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DK95113854T 1995-09-04 1995-09-04 Fotoakustisk gassensor og dennes anvendelse DK0760474T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95113854A EP0760474B1 (de) 1995-09-04 1995-09-04 Photoakustischer Gassensor und dessen Verwendung

Publications (1)

Publication Number Publication Date
DK0760474T3 true DK0760474T3 (da) 2004-09-20

Family

ID=8219574

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95113854T DK0760474T3 (da) 1995-09-04 1995-09-04 Fotoakustisk gassensor og dennes anvendelse

Country Status (9)

Country Link
US (1) US5753797A (da)
EP (1) EP0760474B1 (da)
JP (1) JPH09127066A (da)
AT (1) ATE266861T1 (da)
CA (1) CA2182319A1 (da)
DE (1) DE59510901D1 (da)
DK (1) DK0760474T3 (da)
ES (1) ES2221925T3 (da)
PT (1) PT760474E (da)

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JP2002328115A (ja) * 2001-04-27 2002-11-15 Yamatake Corp 光音響ガスセンサ用ガス拡散フィルタの製造方法
JP2002328116A (ja) * 2001-04-27 2002-11-15 Yamatake Corp 光音響ガスセンサ
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DE10221954B3 (de) * 2002-05-14 2004-01-15 Msa Auer Gmbh Infrarot-Sensor für Gasmessgeräte mit Explosionsschutzzulassung
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EP1574840A1 (de) * 2004-03-08 2005-09-14 Siemens Building Technologies AG Photoakustischer Gassensor und Verfahren zu dessen Herstellung
EP1582857A1 (de) * 2004-04-02 2005-10-05 Siemens Building Technologies AG Photoakustischer Gassensor mit einer Strahleranordnung mit einem Reflektor, und Verfahren zur Optimierung der Kontur des Reflektors
US20060191318A1 (en) * 2005-02-25 2006-08-31 Mcbride Charles L Digitally accessible sensor
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US8117897B2 (en) * 2006-11-27 2012-02-21 Applied Nanotech Holdings, Inc. Elliptical photo-acoustic sensor
WO2008067282A2 (en) * 2006-11-27 2008-06-05 Nano-Proprietary, Inc. Sono-photonic gas sensor
US20100192669A1 (en) * 2007-07-06 2010-08-05 Koninklijke Philips Electronics N.V. Photo acoustic sample detector with light guide
CN102575981A (zh) * 2009-05-11 2012-07-11 加斯珀洛克斯公司 用于包装内的气体的非侵入性评估的设备和方法
US9267924B2 (en) * 2010-04-15 2016-02-23 Qcm Lab Aktiebolag Method for detecting gas and a gas detector therefor
US8695402B2 (en) * 2010-06-03 2014-04-15 Honeywell International Inc. Integrated IR source and acoustic detector for photoacoustic gas sensor
JP5669950B2 (ja) 2010-10-28 2015-02-18 エンパイア テクノロジー ディベロップメント エルエルシー 光音響センサー
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror
CN103575655B (zh) * 2012-07-31 2015-12-09 河南汉威电子股份有限公司 一种红外气体传感器
US10663931B2 (en) 2013-09-24 2020-05-26 Rosemount Inc. Process variable transmitter with dual compartment housing
JP2016533480A (ja) * 2013-09-30 2016-10-27 ローズマウント インコーポレイテッド ２つのコンパートメントハウジングを備えたプロセス変数トランスミッタおよびプロセス変数センサを使用する方法
DE102015106373B4 (de) * 2015-04-24 2023-03-02 Infineon Technologies Ag Photoakustisches gassensormodul mit lichtemittereinheit und einer detektoreinheit
US10015899B2 (en) 2015-06-29 2018-07-03 Rosemount Inc. Terminal block with sealed interconnect system
US9719915B2 (en) * 2015-08-07 2017-08-01 Cooper Technologies Company Gas cap for optical sensor
US10788458B2 (en) * 2016-02-05 2020-09-29 Msa Technology, Llc Detection of blockage in a porous member
US10352910B2 (en) * 2016-08-31 2019-07-16 Infineon Technologies Ag Gas analyzer
US10302599B2 (en) * 2016-10-27 2019-05-28 Infineon Technologies Ag Photoacoustic gas detector
US10620165B2 (en) * 2016-12-29 2020-04-14 Infineon Technologies Ag Photoacoustic gas analyzer for determining species concentrations using intensity modulation
US10551356B2 (en) * 2017-10-23 2020-02-04 Infineon Technologies Ag Photoacoustic gas sensor and method
US10983103B2 (en) 2018-11-23 2021-04-20 Msa Technology, Llc Detection of blockage in a porous member
EP3550286B2 (en) * 2019-04-17 2026-02-11 Sensirion AG Photoacoustic gas sensor device
CA3136218A1 (en) 2019-05-14 2020-11-19 Msa Technology, Llc Detection of blockage in a porous member using pressure waves
EP3798607B1 (en) 2019-08-09 2023-01-25 Sensirion AG Photoacoustic gas sensor devices
BG112997A (bg) 2019-09-17 2021-03-31 "Амг Технолоджи" Оод Прибор за мониторинг на газове
CN111896477A (zh) * 2020-08-14 2020-11-06 山东仁科测控技术有限公司 渗透扩散式气体浓度测量传感器
DE202022105660U1 (de) * 2022-10-07 2023-01-24 Sensirion Ag Fotoakustischer Gassensor, insbesondere zur Detektion von Methan
US12631549B2 (en) 2023-03-28 2026-05-19 Asahi Kasei Microdevices Corporation Noise reduction gas sensor and gas measurement method

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Also Published As

Publication number Publication date
EP0760474A1 (de) 1997-03-05
US5753797A (en) 1998-05-19
CA2182319A1 (en) 1997-03-05
JPH09127066A (ja) 1997-05-16
PT760474E (pt) 2004-10-29
EP0760474B1 (de) 2004-05-12
ES2221925T3 (es) 2005-01-16
ATE266861T1 (de) 2004-05-15
DE59510901D1 (de) 2004-06-17

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