ATE256864T1 - Zustandsüberwachung eines gasdetektors - Google Patents
Zustandsüberwachung eines gasdetektorsInfo
- Publication number
- ATE256864T1 ATE256864T1 AT96307819T AT96307819T ATE256864T1 AT E256864 T1 ATE256864 T1 AT E256864T1 AT 96307819 T AT96307819 T AT 96307819T AT 96307819 T AT96307819 T AT 96307819T AT E256864 T1 ATE256864 T1 AT E256864T1
- Authority
- AT
- Austria
- Prior art keywords
- sensor
- transient
- operational amplifier
- serviceable
- present
- Prior art date
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
- G01N27/416—Systems
- G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96307819A EP0840112B1 (de) | 1996-10-29 | 1996-10-29 | Zustandsüberwachung eines Gasdetektors |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE256864T1 true ATE256864T1 (de) | 2004-01-15 |
Family
ID=8225134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT96307819T ATE256864T1 (de) | 1996-10-29 | 1996-10-29 | Zustandsüberwachung eines gasdetektors |
Country Status (4)
Country | Link |
---|---|
US (2) | US6123818A (de) |
EP (1) | EP0840112B1 (de) |
AT (1) | ATE256864T1 (de) |
DE (1) | DE69631142T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0115585D0 (en) * | 2001-06-26 | 2001-08-15 | Zellweger Analytics Ltd | Monitoring gas sensors |
GB0115586D0 (en) * | 2001-06-26 | 2001-08-15 | Zellweger Analytics Ltd | Monitoring of gas sensors |
US7159444B2 (en) * | 2002-11-26 | 2007-01-09 | Proton Energy Systems, Inc. | Combustible gas detection systems and method thereof |
US7111493B2 (en) * | 2002-11-26 | 2006-09-26 | Proton Energy Systems, Inc. | Combustible gas detection system |
US7020562B2 (en) * | 2003-03-31 | 2006-03-28 | Proton Energy Systems, Inc. | Method of monitoring the operation of gas sensor and system therefor |
GB2413635A (en) * | 2004-04-30 | 2005-11-02 | Thorn Security | Testing a fire detector sensor |
US7413645B2 (en) * | 2004-05-05 | 2008-08-19 | Mine Safety Appliances Company | Devices, systems and methods for testing gas sensors and correcting gas sensor output |
US7090755B2 (en) * | 2004-10-28 | 2006-08-15 | Figaro Engineering Inc. | Gas detecting device with self-diagnosis for electrochemical gas sensor |
US7717294B2 (en) * | 2005-06-20 | 2010-05-18 | South-Tek Systems | Beverage dispensing gas consumption detection with alarm and backup operation |
US8097146B2 (en) * | 2008-03-27 | 2012-01-17 | Sensor Electronics Corporation | Device and method for monitoring an electrochemical gas sensor |
US8215150B2 (en) | 2009-02-20 | 2012-07-10 | Life Safety Distribution Ag | Instrument docking station with non-destructive sensor analysis capabilities |
DE102009024573A1 (de) * | 2009-06-10 | 2010-12-23 | Novar Gmbh | Verfahren und Schaltung zur Prüfung eines Kohlenmonoxid-Sensors |
US8534258B2 (en) * | 2009-09-17 | 2013-09-17 | Daydream Believers, Llc | Generator and carbon monoxide detector |
US9377435B2 (en) | 2011-10-11 | 2016-06-28 | Honeywell International Inc. | Auxiliary gas diffusion electrodes for diagnostics of electrochemical gas sensors |
US9689833B2 (en) | 2011-10-11 | 2017-06-27 | Life Safety Distribution Ag | Auxiliary micro-electrodes for diagnostics of electrochemical gas sensors |
US9823219B2 (en) | 2013-12-20 | 2017-11-21 | Rosemount Analytical, Inc | Electrochemical detection system with internal life-test |
DE102014203410B4 (de) * | 2014-02-25 | 2015-10-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Elektrochemische Messzelle und deren Verwendung |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3661748A (en) * | 1970-04-07 | 1972-05-09 | Instrumentation Labor Inc | Fault sensing instrumentation |
US3718568A (en) * | 1971-05-21 | 1973-02-27 | Instrumentation Labor Inc | Electrochemical sensor instrumentation |
US4088986A (en) * | 1976-10-01 | 1978-05-09 | Boucher Charles E | Smoke, fire and gas alarm with remote sensing, back-up emergency power, and system self monitoring |
CH636447A5 (en) * | 1977-08-26 | 1983-05-31 | Ciba Geigy Ag | Device for monitoring electrodes |
DE3168996D1 (en) * | 1980-05-02 | 1985-03-28 | Ici Plc | Method of checking the responsiveness of detection systems employing electrochemical sensor |
JPS6063473A (ja) * | 1983-09-17 | 1985-04-11 | Toshiba Corp | 断線検出回路 |
DE3668991D1 (de) * | 1986-04-15 | 1990-03-15 | Yokagawa Electrofact B V | Vorrichtung zur pruefung der vollstaendigkeit einer elektrode in einem potentiometrischen elektrodensystem. |
JPH0355104Y2 (de) * | 1986-07-31 | 1991-12-06 | ||
JPS6444843A (en) * | 1987-08-14 | 1989-02-17 | Japan Electronic Control Syst | Apparatus for monitoring oxygen sensor |
JPH01242958A (ja) * | 1988-03-24 | 1989-09-27 | Shimadzu Corp | イオン濃度測定装置 |
GB8907564D0 (en) * | 1989-04-04 | 1989-05-17 | Neotronics Technology Plc | Fault detection in electrochemical gas sensing equipment |
IT1246641B (it) * | 1991-04-09 | 1994-11-24 | G P B Beghelli S R L Ora Begne | Sistema circuitale di autocontrollo e diagnosi di dispositivi atti al rilevamento di gas tossici e/o nocivi e/o esplosivi. |
DE4318891A1 (de) * | 1993-06-07 | 1994-12-08 | Mannesmann Ag | Elektrochemisches Gasspurenmeßsystem mit Funktionskontrolle |
DE19510574C1 (de) * | 1995-03-23 | 1996-06-05 | Testo Gmbh & Co | Verfahren zur Zustandsbestimmung eines elektrochemischen Gassensors |
-
1996
- 1996-10-29 AT AT96307819T patent/ATE256864T1/de not_active IP Right Cessation
- 1996-10-29 DE DE69631142T patent/DE69631142T2/de not_active Expired - Lifetime
- 1996-10-29 EP EP96307819A patent/EP0840112B1/de not_active Expired - Lifetime
-
1997
- 1997-10-28 US US08/959,328 patent/US6123818A/en not_active Expired - Lifetime
-
2000
- 2000-01-26 US US09/491,162 patent/US6251243B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69631142D1 (de) | 2004-01-29 |
EP0840112B1 (de) | 2003-12-17 |
US6251243B1 (en) | 2001-06-26 |
EP0840112A1 (de) | 1998-05-06 |
DE69631142T2 (de) | 2004-06-03 |
US6123818A (en) | 2000-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |