CH615996A5 - Instrument for indicating carbon monoxide. - Google Patents
Instrument for indicating carbon monoxide. Download PDFInfo
- Publication number
- CH615996A5 CH615996A5 CH1064674A CH1064674A CH615996A5 CH 615996 A5 CH615996 A5 CH 615996A5 CH 1064674 A CH1064674 A CH 1064674A CH 1064674 A CH1064674 A CH 1064674A CH 615996 A5 CH615996 A5 CH 615996A5
- Authority
- CH
- Switzerland
- Prior art keywords
- semiconductor element
- temperature
- carbon monoxide
- heating
- discontinuity
- Prior art date
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 55
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims description 55
- 239000004065 semiconductor Substances 0.000 claims description 72
- 238000010438 heat treatment Methods 0.000 claims description 23
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 229910001887 tin oxide Inorganic materials 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical class [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8685973A JPS5323195B2 (enrdf_load_stackoverflow) | 1973-08-03 | 1973-08-03 | |
| JP1973138169U JPS5418957Y2 (enrdf_load_stackoverflow) | 1973-11-30 | 1973-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH615996A5 true CH615996A5 (en) | 1980-02-29 |
Family
ID=26427935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1064674A CH615996A5 (en) | 1973-08-03 | 1974-08-02 | Instrument for indicating carbon monoxide. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH615996A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2437352C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2239683B2 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1557921A (en) * | 1977-01-10 | 1979-12-19 | British Steel Corp | Gas monitors |
| DE3318672A1 (de) * | 1983-05-21 | 1984-11-22 | Karl Dungs Gmbh & Co, 7067 Urbach | Verfahren zur messung des sauerstoffpartialdruckes in gasen |
| US5460736A (en) * | 1994-10-07 | 1995-10-24 | The Procter & Gamble Company | Fabric softening composition containing chlorine scavengers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1598554A1 (de) * | 1965-04-19 | 1971-02-25 | Honeywell Inc | Gasspuergeraet |
| US3609732A (en) * | 1969-05-28 | 1971-09-28 | New Cosmos Electric Co | Gas responsive switching device |
| BE771767A (fr) * | 1970-08-26 | 1971-12-31 | Nat Res Dev | Dispositifs semi-conducteurs sensibles aux gaz |
-
1974
- 1974-08-02 FR FR7426906A patent/FR2239683B2/fr not_active Expired
- 1974-08-02 DE DE19742437352 patent/DE2437352C2/de not_active Expired
- 1974-08-02 CH CH1064674A patent/CH615996A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2437352A1 (de) | 1975-02-13 |
| FR2239683A2 (enrdf_load_stackoverflow) | 1975-02-28 |
| DE2437352C2 (de) | 1984-11-22 |
| FR2239683B2 (enrdf_load_stackoverflow) | 1978-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3639666A1 (de) | Verfahren zur bestimmung einer messgroesse eines stroemenden mediums und messschaltung hierzu | |
| DE1926250A1 (de) | Verfahren und Vorrichtung zur Messung durch Ermittlung der Temperatur eines durch Joule-Effekt geheizten thermosensiblen Elements | |
| DE2022769B2 (de) | Vorrichtung zum in situ-Messen des prozentualen Anteils oder des Partialdruckes oder des elektrochemischen Potentials einer Komponente einer Gasmischung | |
| DE2947856A1 (de) | Vorrichtung zur messung der masse eines stroemenden mediums | |
| DE3742783A1 (de) | Vorrichtung zur messung des fluessigkeitsfuellstands in fluessigkeitsbehaeltern, insbesondere des oelstands in brennkraftmaschinen von kraftfahrzeugen | |
| DE2313413A1 (de) | Verfahren und vorrichtung zur bestimmung des gehaltes einer oder mehrerer gaskomponenten in einem gasgemisch | |
| CH615996A5 (en) | Instrument for indicating carbon monoxide. | |
| DE1220173B (de) | Vorrichtung zum Ermitteln von Verunreinigungen in einen stroemenden fluessigen Metall durch Messen des elektrischen Widerstands des Metalls | |
| DE2213760B1 (de) | Vorrichtung zum messen von in warmwasser-heizungsanlagen verbrauchten waermemengen | |
| DE2713623C3 (de) | Verfahren und Vorichtung zur Bestimmung des Konzentrations-Zeit-Produktes wenigstens einer Komponente eines Gasgemisches | |
| EP0665428A2 (de) | Einrichtung für die Messung von Zustandsgrössen in Gasen mit zumindest einem Halbleiter-Gassensor | |
| DE1923216A1 (de) | Steuervorrichtung fuer Fluidkreislaeufe | |
| DE2012042A1 (de) | Thermoelektrische Sonde zur Detektion von Flüssigkeit in einem gasförmigen Medium | |
| DE3540031A1 (de) | Anordnung zum ueberwachen eines veraenderlichen elektrischen widerstandes | |
| DE1170680B (de) | Geraet zur Anzeige von Gaskonzentrationen | |
| DE2433201C3 (de) | Gasdetektor | |
| DE1266335B (de) | Einrichtung zur Regelung der Gluehtemperatur bei einer Drahtanlage | |
| DE2639729A1 (de) | Verfahren und messvorrichtung zum messen der fliessgeschwindigkeit und der durchflussmenge fluessiger medien | |
| DE69413297T2 (de) | Verbesserungen an Flüssigkeitsstandsmessern mit Widerstandsdraht | |
| DE2626699C3 (de) | Einrichtung zum Regeln der Temperatur der Meßsonde eines Taupunktmessers | |
| DE2634591C2 (de) | Verfahren zum Betrieb einer Gas-Ionisationskammer zum Messen von Kernstrahlung und Vorrichtung zur Durchführung eines solchen Verfahrens | |
| DE1598578C3 (de) | Meßgerat zum Messen der Konzentration eines Gases in Luft | |
| DE2047987B2 (de) | Sonde zur feststellung einer sich in einem mit einer elektrisch gut leitenden fluessigkeit gefuellten behaelter bildenden gasblase | |
| DE1839262U (de) | Niveauwaechter, insbesondere fuer druckraeume. | |
| DE3809110A1 (de) | Einrichtung zur gasmassenstrommessung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |