DE3327159C2 - - Google Patents

Info

Publication number
DE3327159C2
DE3327159C2 DE19833327159 DE3327159A DE3327159C2 DE 3327159 C2 DE3327159 C2 DE 3327159C2 DE 19833327159 DE19833327159 DE 19833327159 DE 3327159 A DE3327159 A DE 3327159A DE 3327159 C2 DE3327159 C2 DE 3327159C2
Authority
DE
Germany
Prior art keywords
measuring
sensor
vapor
vapor concentration
plastic
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
DE19833327159
Other languages
German (de)
English (en)
Other versions
DE3327159A1 (de
Inventor
Josef L. Dr.Rer.Nat. Jostan
Anton 7900 Ulm De Knoll
Anita 7906 Blaustein-Dietingen De Marten
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DE19833327159 priority Critical patent/DE3327159A1/de
Publication of DE3327159A1 publication Critical patent/DE3327159A1/de
Application granted granted Critical
Publication of DE3327159C2 publication Critical patent/DE3327159C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/022—Fluid sensors based on microsensors, e.g. quartz crystal-microbalance [QCM], surface acoustic wave [SAW] devices, tuning forks, cantilevers, flexural plate wave [FPW] devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/025—Change of phase or condition
    • G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors
    • G01N2291/0257—Adsorption, desorption, surface mass change, e.g. on biosensors with a layer containing at least one organic compound
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02845—Humidity, wetness

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
DE19833327159 1983-07-28 1983-07-28 Sensor zur messung einer dampfkonzentration Granted DE3327159A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19833327159 DE3327159A1 (de) 1983-07-28 1983-07-28 Sensor zur messung einer dampfkonzentration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833327159 DE3327159A1 (de) 1983-07-28 1983-07-28 Sensor zur messung einer dampfkonzentration

Publications (2)

Publication Number Publication Date
DE3327159A1 DE3327159A1 (de) 1985-02-07
DE3327159C2 true DE3327159C2 (fr) 1991-06-06

Family

ID=6205093

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833327159 Granted DE3327159A1 (de) 1983-07-28 1983-07-28 Sensor zur messung einer dampfkonzentration

Country Status (1)

Country Link
DE (1) DE3327159A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907743A1 (de) * 1999-02-23 2000-08-24 Volkswagen Ag Ölqualitätssensor sowie Verfahren zu dessen Herstellung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793182A (en) * 1987-06-02 1988-12-27 Djorup Robert Sonny Constant temperature hygrometer
AT3690U1 (de) * 1999-06-23 2000-06-26 Avl List Gmbh Anordnung zur quantitativen und qualitativen analyse von partikeln in gasen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD36928A (fr) *
NL278407A (fr) * 1961-05-15
US3392583A (en) * 1967-07-11 1968-07-16 Chace Co W M Laminated humidity responsive element having improved water vapor absorptive qualitie
US3802268A (en) * 1971-05-06 1974-04-09 Johnson Service Co Capacitance humidity sensing element
US4357859A (en) * 1981-04-08 1982-11-09 United Technologies Corporation Pressure sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907743A1 (de) * 1999-02-23 2000-08-24 Volkswagen Ag Ölqualitätssensor sowie Verfahren zu dessen Herstellung
DE19907743B4 (de) * 1999-02-23 2012-01-05 Volkswagen Ag Ölqualitätssensor sowie Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
DE3327159A1 (de) 1985-02-07

Similar Documents

Publication Publication Date Title
US3427864A (en) Moisture analyzer
Greenspan Humidity fixed points of binary saturated aqueous solutions
DE1498713A1 (de) Geraet zur Anzeige der Konzentration eines Anteils eines Gasgemisches durch selbstschwingende Kristalle
DE1498725A1 (de) Geraet zur Anzeige der Konzentration eines Anteils eines Gasgemisches durch temperaturempfindliche,selbstschwingende Kristalle
DE3327159C2 (fr)
DE69530549T2 (de) Verfahren und Fühler auf Polymerbasis zur Konzentrationsmessung von nichtpolaren Gasen wie Kohlenstoffdioxyd
US3715702A (en) Relative humidity sensor
DE69730585T2 (de) Verfahren zum Verbessern der Selektivität eines eine Polymerschicht aufweisenden Gassensors
DE3829517A1 (de) Feuchtesensor
DE3224920A1 (de) Feuchtigkeitsempfindliches widerstandselement
US3703697A (en) Relative humidity sensor
Ando et al. Effect of humidity on sound absorption of porous materials
DE10036178A1 (de) Feuchtesensor und Verwendung
DE1901845C3 (de) Vorrichtung zur Anzeige von Feuchtigkeit
DE4121633C2 (de) Kolorimetrisches Prüf- und Meßgerät für Gase
DE3147195C2 (fr)
DE19951163A1 (de) Gassensor mit einem katalytischen Strahler
Huyberechts et al. Characterisation of strontium containing tin dioxide based thick film humidity sensors
JPS56124049A (en) Component for measurement of hygroscopic value of powder/granules
SU1134908A1 (ru) Способ определени влагосодержани древесины
DE19852969A1 (de) Feuchtedetektor und Verfahren zur Herstellung
Popper et al. The strength-and dimensional changes of wood based composites along the sorption isotherm
DE3115961A1 (de) Widerstands-hygrometer
AUGL Moisture sorption and diffusion in Hercules 3501-6 epoxy resin[Progress Report, Oct. 1977- Oct. 1978]
DE2144704A1 (de) 8feuchtigkeitsmess- oder -regelanlage

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee