DE69218179T2 - Rückkopplungskontrollierter gasgemischgenerator, insbesondere zur überprüfung der reaktion eines hygrometers - Google Patents

Rückkopplungskontrollierter gasgemischgenerator, insbesondere zur überprüfung der reaktion eines hygrometers

Info

Publication number
DE69218179T2
DE69218179T2 DE69218179T DE69218179T DE69218179T2 DE 69218179 T2 DE69218179 T2 DE 69218179T2 DE 69218179 T DE69218179 T DE 69218179T DE 69218179 T DE69218179 T DE 69218179T DE 69218179 T2 DE69218179 T2 DE 69218179T2
Authority
DE
Germany
Prior art keywords
hygrometer
check
response
gas mixer
controlled gas
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 - Fee Related
Application number
DE69218179T
Other languages
English (en)
Other versions
DE69218179D1 (de
Inventor
Jacob Mettes
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.)
Meeco Inc
Original Assignee
Meeco Inc
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 Meeco Inc filed Critical Meeco Inc
Publication of DE69218179D1 publication Critical patent/DE69218179D1/de
Application granted granted Critical
Publication of DE69218179T2 publication Critical patent/DE69218179T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01N33/0006—Calibrating gas analysers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
DE69218179T 1991-01-22 1992-01-10 Rückkopplungskontrollierter gasgemischgenerator, insbesondere zur überprüfung der reaktion eines hygrometers Expired - Fee Related DE69218179T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/644,081 US5199295A (en) 1991-01-22 1991-01-22 Feedback controlled gas mixture generator especially for an hygrometer reaction check
PCT/US1992/000177 WO1992013253A1 (en) 1991-01-22 1992-01-10 Feedback controlled gas mixture generator especially for an hygrometer reaction check

Publications (2)

Publication Number Publication Date
DE69218179D1 DE69218179D1 (de) 1997-04-17
DE69218179T2 true DE69218179T2 (de) 1997-08-07

Family

ID=24583372

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69218179T Expired - Fee Related DE69218179T2 (de) 1991-01-22 1992-01-10 Rückkopplungskontrollierter gasgemischgenerator, insbesondere zur überprüfung der reaktion eines hygrometers
DE69227205T Expired - Lifetime DE69227205T2 (de) 1991-01-22 1992-01-10 Apparat und Methode zur Zugabe kleiner Mengen einer Gaskomponente

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69227205T Expired - Lifetime DE69227205T2 (de) 1991-01-22 1992-01-10 Apparat und Methode zur Zugabe kleiner Mengen einer Gaskomponente

Country Status (7)

Country Link
US (1) US5199295A (de)
EP (2) EP0568610B1 (de)
JP (1) JP3096063B2 (de)
KR (1) KR100200980B1 (de)
CA (1) CA2101064A1 (de)
DE (2) DE69218179T2 (de)
WO (1) WO1992013253A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259233A (en) * 1991-04-24 1993-11-09 American Air Liquide Counterflow valve
US5452600A (en) * 1993-09-29 1995-09-26 Lockheed Idaho Technologies Company Calibrated vapor generator source
SE502355C2 (sv) * 1994-02-17 1995-10-09 Hans Stymne Sätt jämte anordning för att avge små mängder gas från ett ämne i kondenserad form till omgivningen med kontrollerbar hastighet
US5844125A (en) * 1997-10-01 1998-12-01 Millipore Corporation Method and apparatus for measuring moisture content in a gas
FR2821669B1 (fr) * 2001-03-02 2004-08-13 Framatome Anp Procede et dispositif de controle d'un capteur d'une installation industrielle et d'une chaine de mesure du capteur
US7569128B2 (en) * 2004-12-14 2009-08-04 Mocon, Inc. Coulometric water vapor sensor
CN112540149A (zh) * 2019-09-20 2021-03-23 中国石油化工股份有限公司 气体发生装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614855A (en) * 1967-12-26 1971-10-26 Gen Electric Continuous production of calibration gas flows
NL7213711A (de) * 1972-10-11 1974-04-16
NL7405493A (nl) * 1974-04-24 1975-10-28 Philips Nv Werkwijze en inrichting voor kwantitatieve analyse.
US4356834A (en) * 1979-11-02 1982-11-02 Lemay Dan B Vapor feed regulator
CH663667A5 (de) * 1984-07-18 1987-12-31 Zellweger Uster Ag Verfahren und vorrichtung zur messung geringer aktivitaetswerte von ionen eines probenstroms in einem analysenautomaten.
DE3632698A1 (de) * 1986-09-26 1988-03-31 Draegerwerk Ag Vorrichtung zur automatischen kalibrierung eines gassensors
GB8812086D0 (en) * 1988-05-21 1988-06-22 Moisture Control & Mesurement Method of & apparatus for determining moisture content in gases
EP0370150A1 (de) * 1988-11-21 1990-05-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Verfahren zum Erzeugen eines Standardgasgemisches und Vorrichtung zu dessen Herstellung

Also Published As

Publication number Publication date
DE69218179D1 (de) 1997-04-17
DE69227205D1 (de) 1998-11-05
WO1992013253A1 (en) 1992-08-06
EP0698778A1 (de) 1996-02-28
EP0568610A1 (de) 1993-11-10
DE69227205T2 (de) 1999-05-20
EP0698778B1 (de) 1998-09-30
CA2101064A1 (en) 1992-07-23
JPH06506769A (ja) 1994-07-28
KR100200980B1 (ko) 1999-06-15
EP0568610A4 (de) 1994-04-06
EP0568610B1 (de) 1997-03-12
JP3096063B2 (ja) 2000-10-10
US5199295A (en) 1993-04-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee