DE69534425D1 - Gassensor und Regelungssystem für Kohlendioxid mit Feuchtigkeitsausgleich - Google Patents

Gassensor und Regelungssystem für Kohlendioxid mit Feuchtigkeitsausgleich

Info

Publication number
DE69534425D1
DE69534425D1 DE69534425T DE69534425T DE69534425D1 DE 69534425 D1 DE69534425 D1 DE 69534425D1 DE 69534425 T DE69534425 T DE 69534425T DE 69534425 T DE69534425 T DE 69534425T DE 69534425 D1 DE69534425 D1 DE 69534425D1
Authority
DE
Germany
Prior art keywords
control system
carbon dioxide
gas sensor
moisture balance
moisture
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 - Lifetime
Application number
DE69534425T
Other languages
English (en)
Other versions
DE69534425T2 (de
Inventor
Charles G Butts
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.)
SPX Technologies Inc
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Application granted granted Critical
Publication of DE69534425D1 publication Critical patent/DE69534425D1/de
Publication of DE69534425T2 publication Critical patent/DE69534425T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C12M41/14Incubators; Climatic chambers
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/30Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
    • C12M41/34Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/48Automatic or computerized control
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/004CO or CO2
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/221Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00Chemistry: molecular biology and microbiology
    • Y10S435/809Incubators or racks or holders for culture plates or containers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00Chemistry: analytical and immunological testing
    • Y10T436/20Oxygen containing
    • Y10T436/204998Inorganic carbon compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Biomedical Technology (AREA)
  • Sustainable Development (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Genetics & Genomics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Computer Hardware Design (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
DE69534425T 1994-04-13 1995-03-16 Gassensor und Regelungssystem für Kohlendioxid mit Feuchtigkeitsausgleich Expired - Lifetime DE69534425T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US226964 1994-04-13
US08/226,964 US5418131A (en) 1994-04-13 1994-04-13 Humidity compensated carbon dioxide gas measurement and control

Publications (2)

Publication Number Publication Date
DE69534425D1 true DE69534425D1 (de) 2005-10-13
DE69534425T2 DE69534425T2 (de) 2006-06-29

Family

ID=22851201

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69534425T Expired - Lifetime DE69534425T2 (de) 1994-04-13 1995-03-16 Gassensor und Regelungssystem für Kohlendioxid mit Feuchtigkeitsausgleich

Country Status (4)

Country Link
US (1) US5418131A (de)
EP (1) EP0677740B1 (de)
JP (1) JP3499035B2 (de)
DE (1) DE69534425T2 (de)

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ATE239224T1 (de) * 1995-06-30 2003-05-15 Klaus Zuechner Messeinrichtung und verfahren zur bestimmung des wassergehaltes in einem gas
US5792427A (en) * 1996-02-09 1998-08-11 Forma Scientific, Inc. Controlled atmosphere incubator
DE19637520C1 (de) * 1996-09-13 1998-03-12 Heraeus Instr Gmbh Verfahren zum Nullpunktabgleich einer Wärmeleitfähigkeits-Meßzelle zur CO¶2¶-Messung in einem Begasungsbrutschrank
US5897836A (en) * 1996-12-19 1999-04-27 J And N Associates, Inc. Thermal gas sensing apparatus
FR2761756B1 (fr) * 1997-04-04 1999-06-04 Dtn Fr Sa Dispositif de securite pour poele comportant un capteur mesurant la conductivite thermique des gaz
DE19815548B4 (de) * 1998-04-07 2004-01-08 Binder, Peter Michael Begasungsbrutschrank
BE1011911A3 (nl) * 1998-07-08 2000-02-01 Graeve Wim De Methode en inrichting voor het uitbroeden van eieren in een beperkte, gesloten en geregelde omgeving zoals een broedmachine.
TW459357B (en) * 1999-08-20 2001-10-11 Rohm Co Ltd Electronic part and method of fabricating thereof
US6297047B1 (en) 1999-08-25 2001-10-02 Spx Corporation Ultraviolet sterilization of CO2 cell-culture incubator internal environments
US6878177B2 (en) * 2001-08-28 2005-04-12 Thermo Forma, Inc. Incubator having combined HEPA and VOC filter
JP3652306B2 (ja) * 2001-12-10 2005-05-25 株式会社アドサイエンス・テクノロジー 標本スライド作製装置
US6843100B2 (en) * 2002-01-14 2005-01-18 Kendro Laboratory Products, L.P. Thermal conductivity measurement of carbon dioxide gas with relative humidity and temperature compensation
JP4730000B2 (ja) * 2005-07-01 2011-07-20 株式会社ニコン インキュベータ
AU2007274795A1 (en) * 2006-07-21 2008-01-24 Anaxsys Technology Limited Gas sensor
GB2443023A (en) * 2006-10-18 2008-04-23 Anaxsys Technology Ltd Determining the carbon dioxide content of an exhaled gas stream
US8449473B2 (en) * 2006-10-18 2013-05-28 Anaxsys Technology Limited Gas sensor
JP2008220235A (ja) * 2007-03-12 2008-09-25 Sanyo Electric Co Ltd 培養装置
JP5011488B2 (ja) * 2008-08-27 2012-08-29 パナソニックヘルスケア株式会社 培養装置
EP2336762B1 (de) * 2009-12-14 2017-10-18 Siemens Aktiengesellschaft Kohlendioxid-Sensor und zugehöriges Verfahren zur Erzeugung eines Gasmesswerts
NL2004459C2 (en) * 2010-03-25 2011-09-27 Pas Reform Bv Incubator and method for incubating eggs.
US8918218B2 (en) 2010-04-21 2014-12-23 Honeywell International Inc. Demand control ventilation system with remote monitoring
US9500382B2 (en) 2010-04-21 2016-11-22 Honeywell International Inc. Automatic calibration of a demand control ventilation system
US9255720B2 (en) 2010-04-21 2016-02-09 Honeywell International Inc. Demand control ventilation system with commissioning and checkout sequence control
US10018370B2 (en) * 2010-09-24 2018-07-10 Honeywell International Inc. Economizer/DCV controller with manual sensor calibration
US8719720B2 (en) 2010-09-24 2014-05-06 Honeywell International Inc. Economizer controller plug and play system recognition with automatic user interface population
EP2887057A1 (de) * 2013-12-17 2015-06-24 Sensirion AG Vorrichtung und Verfahren der Luftfeuchte kompensierten Gaskonzentrationsüberwachung mittels thermischer Leifähigkeitsmessungen
US10466221B2 (en) * 2013-12-20 2019-11-05 Industrial Scientific Corporation Systems and methods for predicting gas concentration values
US10060642B2 (en) 2014-10-22 2018-08-28 Honeywell International Inc. Damper fault detection
WO2016065180A1 (en) * 2014-10-22 2016-04-28 President And Fellows Of Harvard College Detecting gases and respiration by the conductivity of water within a porous substrate sensor
US9845963B2 (en) 2014-10-31 2017-12-19 Honeywell International Inc. Economizer having damper modulation
DE102015222064A1 (de) * 2015-11-10 2017-05-11 Robert Bosch Gmbh Vorrichtung und Verfahren zum Detektieren einer Gaskomponente
GB201521199D0 (en) * 2015-12-01 2016-01-13 Norwegian Inst For Air Res Air monitoring
US11518972B2 (en) * 2017-05-25 2022-12-06 Lun-Kuang Liu Movable cell incubator
JP7325006B2 (ja) * 2018-03-30 2023-08-14 パナソニックIpマネジメント株式会社 ガス成分計測装置
WO2020049968A1 (ja) * 2018-09-06 2020-03-12 Phc株式会社 培養装置
US11162928B2 (en) 2019-11-04 2021-11-02 Invensense, Inc. Humidity correction method in thermistor based gas sensing platform
CN110791411A (zh) * 2019-11-29 2020-02-14 徐州医科大学 一种多场景、多菌种的培养箱
CN114317239A (zh) * 2021-12-07 2022-04-12 青岛海尔生物医疗科技有限公司 用于调节培养箱内气体浓度的方法及装置、培养箱
CN117470921B (zh) * 2023-12-28 2024-03-22 启思半导体(杭州)有限责任公司 Mems气体传感器阵列的信号采集方法及系统

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US3848569A (en) * 1972-09-28 1974-11-19 Nat Appliance Co Method and apparatus for controlling gaseous environment
US3929584A (en) * 1975-01-23 1975-12-30 Fisher Scientific Co Automatic carbon dioxide incubator
DE3315085C2 (de) * 1983-04-26 1985-09-05 W.C. Heraeus Gmbh, 6450 Hanau Verfahren zur Nullpunktkontrolle an Wärmeleitfähigkeitsmeßzellen in Begasungsbrutschränken
US4572427A (en) * 1984-03-02 1986-02-25 Mallinckrodt, Inc. Controlled atmosphere enclosure
DE3640734A1 (de) * 1986-11-28 1988-06-09 Heinz Hoelter Sensor mit elektronischer feuchte- und temperaturkorrektur
JP2946800B2 (ja) * 1991-03-30 1999-09-06 株式会社島津製作所 炭酸ガス測定装置

Also Published As

Publication number Publication date
JPH0815192A (ja) 1996-01-19
DE69534425T2 (de) 2006-06-29
JP3499035B2 (ja) 2004-02-23
EP0677740A3 (de) 1997-01-02
EP0677740A2 (de) 1995-10-18
EP0677740B1 (de) 2005-09-07
US5418131A (en) 1995-05-23

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