FR2408834A1 - Appareil pour le dosage de gaz - Google Patents
Appareil pour le dosage de gazInfo
- Publication number
- FR2408834A1 FR2408834A1 FR7832065A FR7832065A FR2408834A1 FR 2408834 A1 FR2408834 A1 FR 2408834A1 FR 7832065 A FR7832065 A FR 7832065A FR 7832065 A FR7832065 A FR 7832065A FR 2408834 A1 FR2408834 A1 FR 2408834A1
- Authority
- FR
- France
- Prior art keywords
- gas
- cell
- measuring
- sensitive
- order
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
- G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
- G01N27/423—Coulometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/02—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electrolytic methods
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Immunology (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
APPAREIL PETIT, SENSIBLE, PRECIS ET LEGER POUR LE DOSAGE DE GAZ. IL COMPREND: A.UNE CELLULE DE DETECTION DE GAZ POUR LA TRANSFORMATION ELECTROCHIMIQUE DU GAZ CHOISI, EMETTANT UN SIGNAL ELECTRIQUE DIRECTEMENT FONCTION DE LA CONCENTRATION DU GAZ CHOISI; B.DES MOYENS 33, 32 POUR AMENER DES ECHANTILLONS DE GAZ A LA CELLULE DE DETECTION; C.DES MOYENS POUR MESURER LA QUANTITE TOTALE DE GAZ CHOISI DETECTE PAR LA CELLULE, QUI COMPRENNENT: 1.UN DISPOSITIF TOTALISATEUR ELECTROCHIMIQUE REVERSIBLE POUR STOCKER CONTINUELLEMENT LES SIGNAUX EMIS PAR LA CELLULE, AFIN DE MESURER LA QUANTITE CUMULEE DU GAZ CHOISI; 2.DES MOYENS 31 RELIES AU DISPOSITIF TOTALISATEUR POUR LUI APPLIQUER SELECTIVEMENT UN SIGNAL ELECTRIQUE DE REMISE A ZERO, AFIN DE PERMETTRE LA LECTURE DE L'INFORMATION STOCKEE ET DE REMETTRE LE DISPOSITIF INTEGRATEUR A ZERO; 3.DES MOYENS SENSIBLES AU SIGNAL DE REMISE A ZERO, MESURANT ET INDIQUANT LE DOSAGE ACCUMULE. APPLICATION AU DOSAGE DU MONOXYDE DE CARBONE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/851,129 US4123700A (en) | 1977-11-14 | 1977-11-14 | Potentiostated, self-humidifying, solid polymer electrolyte carbon monoxide dosimeter |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2408834A1 true FR2408834A1 (fr) | 1979-06-08 |
FR2408834B1 FR2408834B1 (fr) | 1984-01-27 |
Family
ID=25310044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7832065A Granted FR2408834A1 (fr) | 1977-11-14 | 1978-11-14 | Appareil pour le dosage de gaz |
Country Status (6)
Country | Link |
---|---|
US (1) | US4123700A (fr) |
JP (1) | JPS5482287A (fr) |
DE (1) | DE2848802A1 (fr) |
FR (1) | FR2408834A1 (fr) |
GB (1) | GB1599558A (fr) |
IT (1) | IT1101291B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021190A1 (fr) * | 1979-06-16 | 1981-01-07 | Bayer Ag | Dispositif pour la surveillance individuelle de l'exposition d'une personne à des gaz toxiques |
FR2470369A2 (fr) * | 1979-11-26 | 1981-05-29 | Elder Paul B Co | Appareillage pour controler et commander les conditions d'exposition d'un patient a des rayons ultraviolets |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4265714A (en) * | 1980-03-24 | 1981-05-05 | General Electric Company | Gas sensing and measuring device and process using catalytic graphite sensing electrode |
JPS6063457A (ja) * | 1983-09-17 | 1985-04-11 | Mitsubishi Electric Corp | 機関の空燃比センサ |
US4707242A (en) * | 1984-08-30 | 1987-11-17 | Mine Safety Appliances Company | Electrochemical cell for the detection of noxious gases |
US4642172A (en) * | 1985-02-19 | 1987-02-10 | Bacharach, Inc. | Controlled-potential bias circuit for electrochemical cells |
US4896143A (en) * | 1987-04-24 | 1990-01-23 | Quantum Group, Inc. | Gas concentration sensor with dose monitoring |
US4900405A (en) * | 1987-07-15 | 1990-02-13 | Sri International | Surface type microelectronic gas and vapor sensor |
US4893113A (en) * | 1988-01-29 | 1990-01-09 | Park Sea C | Gas alarm and detoxification heating systems |
US4820386A (en) * | 1988-02-03 | 1989-04-11 | Giner, Inc. | Diffusion-type sensor cell containing sensing and counter electrodes in intimate contact with the same side of a proton-conducting membrane and method of use |
DE3815131C1 (fr) * | 1988-05-04 | 1989-06-22 | Draegerwerk Ag, 2400 Luebeck, De | |
US5118398A (en) * | 1989-12-05 | 1992-06-02 | United Technologies Corporation | Method and an apparatus for detecting ionizable substance |
US5059908A (en) * | 1990-05-31 | 1991-10-22 | Capital Controls Company, Inc. | Amperimetric measurement with cell electrode deplating |
US5944661A (en) * | 1997-04-16 | 1999-08-31 | Giner, Inc. | Potential and diffusion controlled solid electrolyte sensor for continuous measurement of very low levels of transdermal alcohol |
GB0115585D0 (en) * | 2001-06-26 | 2001-08-15 | Zellweger Analytics Ltd | Monitoring gas sensors |
NL1022603C2 (nl) * | 2003-02-06 | 2004-08-16 | Stichting Energie | Werkwijze voor het detecteren van CO in een waterstofrijke gasstroom. |
US7073368B2 (en) | 2004-05-28 | 2006-07-11 | Honeywell International Inc. | Calibration device for gas sensors |
US7174766B2 (en) * | 2005-05-24 | 2007-02-13 | Honeywell International Inc. | Calibration device for carbon dioxide sensor |
US7168288B2 (en) * | 2005-05-24 | 2007-01-30 | Honeywell International Inc. | Hydrogen sulfide generator for sensor calibration |
US8105539B2 (en) * | 2007-08-21 | 2012-01-31 | Kwj Engineering | Chemical sensor for hydrazine |
CO6170078A1 (es) * | 2008-12-12 | 2010-06-18 | Ecopetrol Sa | Herramienta inteligente para deteccion de perforacines e interpretacion de datos en linea |
EP2469275B1 (fr) | 2010-12-24 | 2015-12-23 | Honeywell Romania S.R.L. | Capteur cantilever de dioxyde de carbone |
US9459233B2 (en) | 2012-06-25 | 2016-10-04 | Steris Corporation | Amperometric gas sensor |
US10900062B2 (en) | 2017-07-14 | 2021-01-26 | American Sterilizer Company | Process for determining viability of test microorganisms of biological indicator and sterilization detection device for determining same |
US10876144B2 (en) | 2017-07-14 | 2020-12-29 | American Sterilizer Company | Process for determining viability of test microorganisms of biological indicator and sterilization detection device for determining same |
US10889848B2 (en) | 2017-07-14 | 2021-01-12 | American Sterilizer Company | Process for determining viability of test microorganisms of biological indicator and sterilization detection device for determining same |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3208926A (en) * | 1960-08-25 | 1965-09-28 | Leeds & Northrup Co | Coulometric systems |
US3706013A (en) * | 1970-12-24 | 1972-12-12 | Johnson Matthey & Mallory Ltd | Ion exchange membrane electrochemical integrator |
US3761376A (en) * | 1971-09-02 | 1973-09-25 | Dow Chemical Co | Coulometric analyzer |
FR2266883A1 (fr) * | 1974-04-08 | 1975-10-31 | Philips Nv | |
US3928162A (en) * | 1971-03-19 | 1975-12-23 | Hitachi Ltd | Gas flow coulometric detector |
US4049503A (en) * | 1974-07-27 | 1977-09-20 | Bayer Aktiengesellschaft | Electrochemical gas detection |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3613002A (en) * | 1969-12-17 | 1971-10-12 | Texas Instruments Inc | Coulometer and timing apparatus |
US3915830A (en) * | 1974-06-12 | 1975-10-28 | Westinghouse Electric Corp | Solid electrolyte electrochemical cell with self contained reference |
-
1977
- 1977-11-14 US US05/851,129 patent/US4123700A/en not_active Expired - Lifetime
-
1978
- 1978-05-26 GB GB23636/78A patent/GB1599558A/en not_active Expired
- 1978-11-10 DE DE19782848802 patent/DE2848802A1/de not_active Withdrawn
- 1978-11-14 JP JP13946778A patent/JPS5482287A/ja active Pending
- 1978-11-14 IT IT29743/78A patent/IT1101291B/it active
- 1978-11-14 FR FR7832065A patent/FR2408834A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3208926A (en) * | 1960-08-25 | 1965-09-28 | Leeds & Northrup Co | Coulometric systems |
US3706013A (en) * | 1970-12-24 | 1972-12-12 | Johnson Matthey & Mallory Ltd | Ion exchange membrane electrochemical integrator |
US3928162A (en) * | 1971-03-19 | 1975-12-23 | Hitachi Ltd | Gas flow coulometric detector |
US3761376A (en) * | 1971-09-02 | 1973-09-25 | Dow Chemical Co | Coulometric analyzer |
FR2266883A1 (fr) * | 1974-04-08 | 1975-10-31 | Philips Nv | |
US4049503A (en) * | 1974-07-27 | 1977-09-20 | Bayer Aktiengesellschaft | Electrochemical gas detection |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021190A1 (fr) * | 1979-06-16 | 1981-01-07 | Bayer Ag | Dispositif pour la surveillance individuelle de l'exposition d'une personne à des gaz toxiques |
FR2470369A2 (fr) * | 1979-11-26 | 1981-05-29 | Elder Paul B Co | Appareillage pour controler et commander les conditions d'exposition d'un patient a des rayons ultraviolets |
Also Published As
Publication number | Publication date |
---|---|
US4123700A (en) | 1978-10-31 |
IT7829743A0 (it) | 1978-11-14 |
DE2848802A1 (de) | 1979-05-17 |
IT1101291B (it) | 1985-09-28 |
GB1599558A (en) | 1981-10-07 |
FR2408834B1 (fr) | 1984-01-27 |
JPS5482287A (en) | 1979-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |