NL8503554A - Werkwijze en inrichting voor het meten van de vochtspanning van een substraat. - Google Patents

Werkwijze en inrichting voor het meten van de vochtspanning van een substraat. Download PDF

Info

Publication number
NL8503554A
NL8503554A NL8503554A NL8503554A NL8503554A NL 8503554 A NL8503554 A NL 8503554A NL 8503554 A NL8503554 A NL 8503554A NL 8503554 A NL8503554 A NL 8503554A NL 8503554 A NL8503554 A NL 8503554A
Authority
NL
Netherlands
Prior art keywords
circuit
substrate
resistance
measuring
moisture
Prior art date
Application number
NL8503554A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stichting Tech En Fysische Die
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 Stichting Tech En Fysische Die filed Critical Stichting Tech En Fysische Die
Priority to NL8503554A priority Critical patent/NL8503554A/nl
Priority to EP86202367A priority patent/EP0232566A1/de
Publication of NL8503554A publication Critical patent/NL8503554A/nl

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223Investigating 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
    • G01N27/225Investigating 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 by using hygroscopic materials

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)
NL8503554A 1985-12-23 1985-12-23 Werkwijze en inrichting voor het meten van de vochtspanning van een substraat. NL8503554A (nl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL8503554A NL8503554A (nl) 1985-12-23 1985-12-23 Werkwijze en inrichting voor het meten van de vochtspanning van een substraat.
EP86202367A EP0232566A1 (de) 1985-12-23 1986-12-23 Vorrichtung zur Messung der Feuchtigkeitsspannung eines Substrats

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8503554A NL8503554A (nl) 1985-12-23 1985-12-23 Werkwijze en inrichting voor het meten van de vochtspanning van een substraat.
NL8503554 1985-12-23

Publications (1)

Publication Number Publication Date
NL8503554A true NL8503554A (nl) 1987-07-16

Family

ID=19847064

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8503554A NL8503554A (nl) 1985-12-23 1985-12-23 Werkwijze en inrichting voor het meten van de vochtspanning van een substraat.

Country Status (2)

Country Link
EP (1) EP0232566A1 (de)
NL (1) NL8503554A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10215081A1 (de) * 2002-04-05 2003-10-30 Imko Intelligente Micromodule Vorrichtung zur Ermittlung der Materialfeuchte eines Mediums
DE20205302U1 (de) 2002-04-05 2002-06-27 Imko Intelligente Micromodule Köhler GmbH, 76275 Ettlingen Vorrichtung zur Ermittlung der Materialfeuchte eines Mediums
CN103884830A (zh) * 2014-03-26 2014-06-25 江苏省农业科学院 温度自动补偿型土壤水分张力计系统及测定方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79845C (de) * 1900-01-01
US3315518A (en) * 1966-02-07 1967-04-25 Research Corp Humidity sensing devices
DE1673046A1 (de) * 1967-11-07 1971-08-26 Siemens Ag Vorrichtung zur Messung der Bodenfeuchte
NL173099C (nl) * 1978-02-24 1983-12-01 Stichting Tech En Fysische Die Inrichting ter bepaling van het vochtgehalte van een materiaal of stof, in het bijzonder de bodem.

Also Published As

Publication number Publication date
EP0232566A1 (de) 1987-08-19

Similar Documents

Publication Publication Date Title
Hafner The piezoelectric crystal unit—Definitions and methods of measurement
US4006405A (en) Method and apparatus for measuring parameters of a conductive material which can be used in independently determining thickness and conductivity
GB1073465A (en) Non-contact thermometer
NL8503554A (nl) Werkwijze en inrichting voor het meten van de vochtspanning van een substraat.
US2866336A (en) Liquid level gage
RU2088927C1 (ru) Способ контроля количества сахара в крови человека, страдающего сахарным диабетом и устройство для его осуществления
EP0079955A1 (de) Schaltung zum messen von impedanz.
US3450985A (en) Eddy current testing system including bridged-t network
US3238453A (en) Apparatus for measuring the dielectric constant of oil utilizing an active filter coupled to a tuned oscillator
JPS59148855A (ja) 皮表角質層用コンダクタンス測定器
SU750389A1 (ru) Устройство дл измерени добротности колебательных контуров
GB642735A (en) Improvements in and relating to radio frequency testing apparatus
SU1026082A1 (ru) Способ измерени характеристического сопротивлени контура
US2501769A (en) Vacuum tube voltmeter with balanced input shunt diode
RU2029247C1 (ru) Способ измерения физического параметра объекта
RU2106648C1 (ru) Устройство для измерения параметров диэлектриков
JPH079108Y2 (ja) 電子管式発振装置
US3120638A (en) Twin-t network unbalance measuring system
SU685972A1 (ru) Влагомер
San Emeterio Prieto et al. An alternative method for the measurement of the clamped capacitance of disk shaped piezoelectric ceramics
JPS6152945B2 (de)
SU1007053A1 (ru) Способ определени коэффициента магнитомеханической св зи
JPH0549616A (ja) 電磁波共鳴吸収測定装置のコイル回路
RAYNER et al. On obtaining the Henry from the Farad(measurement of self-inductance in terms of capacitance and frequency)
Fay et al. Acoustic impedance from motional impedance diagrams

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed