SE0003612L - CO2-sensor - Google Patents
CO2-sensorInfo
- Publication number
- SE0003612L SE0003612L SE0003612A SE0003612A SE0003612L SE 0003612 L SE0003612 L SE 0003612L SE 0003612 A SE0003612 A SE 0003612A SE 0003612 A SE0003612 A SE 0003612A SE 0003612 L SE0003612 L SE 0003612L
- Authority
- SE
- Sweden
- Prior art keywords
- variations
- sensor
- temperature
- carbon dioxide
- measuring cell
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
- 239000001569 carbon dioxide Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
- G01N29/326—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for temperature variations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
-
- 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
-
- 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
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/014—Resonance or resonant frequency
-
- 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
- G01N2291/021—Gases
- G01N2291/0215—Mixtures of three or more gases, e.g. air
-
- 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
- G01N2291/02836—Flow rate, liquid level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Medicinal Preparation (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0003612A SE522062C2 (sv) | 2000-10-09 | 2000-10-09 | CO2-sensor |
PCT/SE2001/002175 WO2002031488A1 (en) | 2000-10-09 | 2001-10-08 | Co2 sensor |
US10/398,734 US6843101B2 (en) | 2000-10-09 | 2001-10-08 | CO2 sensor |
DE60134417T DE60134417D1 (en) | 2000-10-09 | 2001-10-08 | Co2-ultraschallsensor |
AT01975104T ATE398285T1 (de) | 2000-10-09 | 2001-10-08 | Co2-ultraschallsensor |
EP01975104A EP1325319B1 (en) | 2000-10-09 | 2001-10-08 | Acoustic co2-sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0003612A SE522062C2 (sv) | 2000-10-09 | 2000-10-09 | CO2-sensor |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0003612D0 SE0003612D0 (sv) | 2000-10-09 |
SE0003612L true SE0003612L (sv) | 2002-04-10 |
SE522062C2 SE522062C2 (sv) | 2004-01-13 |
Family
ID=20281323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0003612A SE522062C2 (sv) | 2000-10-09 | 2000-10-09 | CO2-sensor |
Country Status (6)
Country | Link |
---|---|
US (1) | US6843101B2 (sv) |
EP (1) | EP1325319B1 (sv) |
AT (1) | ATE398285T1 (sv) |
DE (1) | DE60134417D1 (sv) |
SE (1) | SE522062C2 (sv) |
WO (1) | WO2002031488A1 (sv) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050205301A1 (en) * | 2004-03-19 | 2005-09-22 | Halliburton Energy Services, Inc. | Testing of bottomhole samplers using acoustics |
US7169490B2 (en) | 2004-03-29 | 2007-01-30 | Ballard Power Systems Inc. | Hydrogen concentration sensor for an electrochemical fuel cell |
US7174766B2 (en) * | 2005-05-24 | 2007-02-13 | Honeywell International Inc. | Calibration device for carbon dioxide sensor |
EP3045905B1 (en) * | 2005-06-17 | 2018-02-07 | Maquet Critical Care AB | Reduction of pressure induced temperature influence on the speed of sound in a gas |
CN102362178B (zh) * | 2009-03-23 | 2014-11-12 | 皇家飞利浦电子股份有限公司 | 使用超声的气体感测 |
US8478603B2 (en) * | 2009-06-24 | 2013-07-02 | International Business Machines Corporation | Method and system for monitoring and reporting to an operator greenhouse gas emission from a vehicle |
US20110087524A1 (en) * | 2009-10-14 | 2011-04-14 | International Business Machines Corporation | Determining travel routes by using fee-based location preferences |
US20110087430A1 (en) * | 2009-10-14 | 2011-04-14 | International Business Machines Corporation | Determining travel routes by using auction-based location preferences |
US8812352B2 (en) * | 2009-10-14 | 2014-08-19 | International Business Machines Corporation | Environmental stewardship based on driving behavior |
US20110166958A1 (en) * | 2010-01-05 | 2011-07-07 | International Business Machines Corporation | Conducting route commerce from a central clearinghouse |
EP2469275B1 (en) | 2010-12-24 | 2015-12-23 | Honeywell Romania S.R.L. | Cantilevered carbon dioxide sensor |
US9683968B2 (en) | 2014-06-17 | 2017-06-20 | Nxp B.V. | Combination sensor |
RU2581570C1 (ru) * | 2015-01-12 | 2016-04-20 | федеральное государственное автономное образовательное учреждение высшего образования "Южный федеральный университет" | Пассивный беспроводный датчик на поверхностных акустических волнах для измерения концентрации моноокиси углерода |
US9933319B2 (en) * | 2015-04-13 | 2018-04-03 | Invensense, Inc. | Acoustic ambient temperature and humidity sensing |
US11833296B2 (en) * | 2017-06-27 | 2023-12-05 | Nihon Kohden Corporation | Gas monitoring apparatus and system for artificial ventilation |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB727891A (en) | 1951-05-04 | 1955-04-13 | John Hugh Davey Walton | Improved means for analysing gaseous substances |
JPS554528A (en) * | 1978-06-27 | 1980-01-14 | Sumitomo Bakelite Co Ltd | Method and apparatus for measuring gas concentration |
NO791305L (no) * | 1978-08-04 | 1980-02-05 | Sub Sea Oil Services Ssos | Gassanalysator |
DE3009566A1 (de) * | 1980-03-13 | 1981-09-17 | Afriso Euro-Index GmbH für Sicherungsarmaturen und Füllstandmessung, 7129 Güglingen | Verfahren und vorrichtung zur messung des co (pfeil abwaerts)2(pfeil abwaerts) -gehaltes von gasen |
US4380167A (en) * | 1981-03-18 | 1983-04-19 | Energy Controls, Inc. | Apparatus and method for detecting a fraction of a gas |
US4520654A (en) * | 1983-03-14 | 1985-06-04 | General Electric Company | Method and apparatus for detecting hydrogen, oxygen and water vapor concentrations in a host gas |
US4662212A (en) | 1984-09-10 | 1987-05-05 | Sumitomo Bakelite Company Limited | Measuring instrument for concentration of gas |
GB2203247A (en) * | 1987-04-04 | 1988-10-12 | Schlumberger Electronics | Gas analyser |
GB2210977A (en) * | 1987-10-14 | 1989-06-21 | Gen Electric Co Plc | Ultrasonic gas composition measurement |
US5060506A (en) * | 1989-10-23 | 1991-10-29 | Douglas David W | Method and apparatus for monitoring the content of binary gas mixtures |
US5060514A (en) * | 1989-11-30 | 1991-10-29 | Puritan-Bennett Corporate | Ultrasonic gas measuring device |
DE59006626D1 (de) * | 1989-12-08 | 1994-09-01 | Oehler Oscar | Selektive gasdetektion durch feldseparation und schallgeschwindigkeitsmessung: sauerstoff-detektion. |
GB2257255A (en) | 1991-06-28 | 1993-01-06 | Hycontrol Technology Limited | Monitoring the concentration of carbon dioxide |
-
2000
- 2000-10-09 SE SE0003612A patent/SE522062C2/sv unknown
-
2001
- 2001-10-08 EP EP01975104A patent/EP1325319B1/en not_active Expired - Lifetime
- 2001-10-08 DE DE60134417T patent/DE60134417D1/de not_active Expired - Fee Related
- 2001-10-08 US US10/398,734 patent/US6843101B2/en not_active Expired - Fee Related
- 2001-10-08 WO PCT/SE2001/002175 patent/WO2002031488A1/en active Application Filing
- 2001-10-08 AT AT01975104T patent/ATE398285T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1325319A1 (en) | 2003-07-09 |
US20040050142A1 (en) | 2004-03-18 |
US6843101B2 (en) | 2005-01-18 |
ATE398285T1 (de) | 2008-07-15 |
WO2002031488A1 (en) | 2002-04-18 |
SE522062C2 (sv) | 2004-01-13 |
SE0003612D0 (sv) | 2000-10-09 |
EP1325319B1 (en) | 2008-06-11 |
DE60134417D1 (en) | 2008-07-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE0003612L (sv) | CO2-sensor | |
EA199700453A1 (ru) | Устройство для индикации изменений в сопротивлении живого тела, схема обратной связи и управления для использования в устройстве, способ поддержания постоянной амплитудной характеристики | |
US5461910A (en) | Fluid flow direction and velocity monitor | |
US6257049B1 (en) | Ambient humidity measurement using microwaves | |
US4876889A (en) | Acoustic humidity sensor | |
CN108139255A (zh) | 流量传感器 | |
SE9801430D0 (sv) | Ultraljudsflödesmätare | |
EP1205748A1 (en) | Acoustic gas analyser | |
US20090133490A1 (en) | Device and process for measuring the velocity of flow of a fluid | |
US5689060A (en) | Humidity measuring device and a heat cooker employing the device | |
DK1123042T3 (da) | Föling af öretemperatur, akustisk refleksion og kemiske bestanddele i öret | |
PL358891A1 (en) | Gas meter | |
RU2003100836A (ru) | Способ определения расхода газовой смеси и газовый счетчик | |
SE0200184D0 (sv) | Acoustic Gas Meter | |
PL347732A1 (en) | Method of and apparatus for detecting ventilation through windows | |
DK1746556T3 (da) | Fremgangsmåde til registrering af rumspecifikke miljödata i rum | |
FR2853074B1 (fr) | Procede et dispositif de mesure acoustique de caracteristiques physiques de materiaux poroelastiques | |
CN207399514U (zh) | 一种具有自动修正功能的声校准器 | |
NO984966D0 (no) | Anordning for mÕling av et medium under trykk | |
JPH05312667A (ja) | 湿度センサーおよび湿度計 | |
Harrison | Ultrasonic detection of atmospheric humidity variations | |
JPH06258298A (ja) | 湿度測定装置およびそれを用いた加熱調理器 | |
RU1786422C (ru) | Конденсационный гигрометр на поверхностно-акустических волнах | |
SU1180781A1 (ru) | Устройство дл определени содержани влаги в газовой смеси | |
JP3896060B2 (ja) | マイクロフローセンサを用いたガス密度測定方法 |