FI19992651A - Mätningsförfarande och system för fuktighets- eller gasgivare - Google Patents
Mätningsförfarande och system för fuktighets- eller gasgivareInfo
- Publication number
- FI19992651A FI19992651A FI992651A FI19992651A FI19992651A FI 19992651 A FI19992651 A FI 19992651A FI 992651 A FI992651 A FI 992651A FI 19992651 A FI19992651 A FI 19992651A FI 19992651 A FI19992651 A FI 19992651A
- Authority
- FI
- Finland
- Prior art keywords
- humidity
- systems
- gas sensors
- measurement procedure
- procedure
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
-
- 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
- G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
- G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI992651A FI107840B (sv) | 1999-12-09 | 1999-12-09 | Mätningsförfarande och system för fuktighets- eller gasgivare |
EP00660221A EP1109012A3 (en) | 1999-12-09 | 2000-12-05 | Measurement method and system for a humidity of gas concentration sensor |
US09/731,735 US6564633B2 (en) | 1999-12-09 | 2000-12-08 | Measurement method and system for a humidity or gas concentration sensor |
JP2000375900A JP2001201478A (ja) | 1999-12-09 | 2000-12-11 | 湿度センサ又はガス濃度センサ用の測定方法及び測定システム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI992651 | 1999-12-09 | ||
FI992651A FI107840B (sv) | 1999-12-09 | 1999-12-09 | Mätningsförfarande och system för fuktighets- eller gasgivare |
Publications (2)
Publication Number | Publication Date |
---|---|
FI19992651A true FI19992651A (sv) | 2001-06-10 |
FI107840B FI107840B (sv) | 2001-10-15 |
Family
ID=8555728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI992651A FI107840B (sv) | 1999-12-09 | 1999-12-09 | Mätningsförfarande och system för fuktighets- eller gasgivare |
Country Status (4)
Country | Link |
---|---|
US (1) | US6564633B2 (sv) |
EP (1) | EP1109012A3 (sv) |
JP (1) | JP2001201478A (sv) |
FI (1) | FI107840B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4352315B2 (ja) * | 2002-10-31 | 2009-10-28 | 日本光電工業株式会社 | 信号処理方法/装置及びそれを用いたパルスフォトメータ |
US6865940B2 (en) * | 2003-06-25 | 2005-03-15 | General Electric Company | Aluminum oxide moisture sensor and related method |
WO2006057550A1 (en) * | 2004-11-25 | 2006-06-01 | Texas Instruments Holland B.V. | Sensing module, method for detecting pollutants in air and vehicle ventilation system |
US7152458B2 (en) * | 2004-11-30 | 2006-12-26 | Honeywell International Inc. | Nano-crystalline and/or metastable metal hydrides as hydrogen source for sensor calibration and self-testing |
JP2010008323A (ja) * | 2008-06-30 | 2010-01-14 | Yamatake Corp | 湿度計測装置 |
EP2763032B1 (en) * | 2013-01-31 | 2016-12-28 | Sensirion AG | Portable electronic device with integrated chemical sensor and method of operating thereof |
EP2763468B1 (en) * | 2013-01-31 | 2017-08-30 | Sensirion AG | Portable sensor device with a gas sensor and method for operating the same |
US20140238100A1 (en) * | 2013-02-27 | 2014-08-28 | Qualcomm Incorporated | Method for calibration of sensors embedded or wirelessly connected to a mobile device |
US10197519B2 (en) | 2013-03-15 | 2019-02-05 | H2Scan Corporation | Gas sensing systems and methods |
DE102014210122A1 (de) * | 2014-05-27 | 2015-12-03 | Robert Bosch Gmbh | Vorrichtung zum Bestimmen eines Werts einer zu messenden Eigenschaft eines Fluids, Verfahren zum Betreiben einer Vorrichtung zum Bestimmen eines Werts einer zu messenden Eigenschaft eines Fluids sowie Verfahren zum Herstellen einer Vorrichtung zum Bestimmen eines Werts einer zu messenden Eigenschaft eines Fluids |
US9759699B1 (en) * | 2015-05-22 | 2017-09-12 | Council On Postsecondary Education | Systems and methods for the detection of compounds |
US9696272B2 (en) * | 2015-08-07 | 2017-07-04 | Silicon Laboratories Inc. | Systems and methods for humidity measurement using dielectric material-based relative humidity sensors |
TWI817925B (zh) * | 2016-05-20 | 2023-10-11 | 美商資源環球公司 | 用於水萃取控制之系統及方法及水產生之網路 |
US10816498B2 (en) * | 2017-05-30 | 2020-10-27 | Raymond Hoheisel | Humidity sensor and related methods |
US11703471B1 (en) | 2018-12-20 | 2023-07-18 | University Of Rhode Island Board Of Trustees | Trace detection of chemical compounds via catalytic decomposition and redox reactions |
EP4241076A2 (en) | 2020-11-06 | 2023-09-13 | Trace Sensing Technologies Inc. | Decoupled thermodynamic sensing system |
EP4012393A1 (en) * | 2020-12-09 | 2022-06-15 | Vaisala Oyj | Fast humidity sensor and a method for calibrating the fast humidity sensor |
US11340183B1 (en) | 2021-06-23 | 2022-05-24 | Pgr Holdings, Llc | Ultrasensitive, ultrathin vapor sensors and arrays |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825756A (en) * | 1973-05-03 | 1974-07-23 | Barnes Eng Co | Calibration device for a gas analyzer |
CH668648A5 (de) * | 1984-04-04 | 1989-01-13 | Cerberus Ag | Verfahren und vorrichtung zum nachweis von reduzierenden gasen in einem gasgemisch. |
US4759210A (en) * | 1986-06-06 | 1988-07-26 | Microsensor Systems, Inc. | Apparatus for gas-monitoring and method of conducting same |
FI82554C (sv) * | 1988-11-02 | 1991-03-11 | Vaisala Oy | Kalibreringsförfarande för mätning av den relativa halten av gas eller ånga |
US5307668A (en) * | 1992-10-05 | 1994-05-03 | Badger Meter, Inc. | Gas density meter and method |
FI96640C (sv) * | 1993-08-23 | 1996-07-25 | Vaisala Oy | Förfarande för mätning av den relativa fuktigheten, speciellt i radiosonder |
US5816705A (en) * | 1996-07-12 | 1998-10-06 | Badger Meter, Inc. | Measuring heating value of a gas using flameless combustion |
US5792938A (en) * | 1996-12-13 | 1998-08-11 | Panametrics, Inc. | Humidity sensor with differential thermal detection and method of sensing |
DE19811069C2 (de) * | 1998-03-13 | 2000-03-09 | Siemens Ag | Meßschaltung zur Ermittlung der Konzentration eines oder mehrerer Gase in einem Gasgemisch |
-
1999
- 1999-12-09 FI FI992651A patent/FI107840B/sv not_active IP Right Cessation
-
2000
- 2000-12-05 EP EP00660221A patent/EP1109012A3/en not_active Withdrawn
- 2000-12-08 US US09/731,735 patent/US6564633B2/en not_active Expired - Lifetime
- 2000-12-11 JP JP2000375900A patent/JP2001201478A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20010003249A1 (en) | 2001-06-14 |
FI107840B (sv) | 2001-10-15 |
EP1109012A2 (en) | 2001-06-20 |
JP2001201478A (ja) | 2001-07-27 |
EP1109012A3 (en) | 2002-02-20 |
US6564633B2 (en) | 2003-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |