DK111396B - Elektrisk måleapparat til måling af modstandsvariationer i et fugtighedsfølsomt modstandselement. - Google Patents

Elektrisk måleapparat til måling af modstandsvariationer i et fugtighedsfølsomt modstandselement.

Info

Publication number
DK111396B
DK111396B DK292059A DK292059A DK111396B DK 111396 B DK111396 B DK 111396B DK 292059 A DK292059 A DK 292059A DK 292059 A DK292059 A DK 292059A DK 111396 B DK111396 B DK 111396B
Authority
DK
Denmark
Prior art keywords
moisture
measuring
measuring device
resistance element
electric
Prior art date
Application number
DK292059A
Other languages
English (en)
Inventor
As Danfoss
Original Assignee
As Danfoss
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 As Danfoss filed Critical As Danfoss
Priority to DK292059A priority Critical patent/DK111396B/da
Priority to GB2820560A priority patent/GB947929A/en
Priority to CH924160A priority patent/CH395599A/de
Publication of DK111396B publication Critical patent/DK111396B/da

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
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating 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
    • G01N27/121Investigating 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 for determining moisture content, e.g. humidity, of the fluid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/18Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
    • G01K7/20Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
    • 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
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D22/00Control of humidity
    • G05D22/02Control of humidity characterised by the use of electric means

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Automation & Control Theory (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DK292059A 1959-08-14 1959-08-14 Elektrisk måleapparat til måling af modstandsvariationer i et fugtighedsfølsomt modstandselement. DK111396B (da)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK292059A DK111396B (da) 1959-08-14 1959-08-14 Elektrisk måleapparat til måling af modstandsvariationer i et fugtighedsfølsomt modstandselement.
GB2820560A GB947929A (en) 1959-08-14 1960-08-15 A thermal responsive or moisture-sensitive electrical controlling or measuring device
CH924160A CH395599A (de) 1959-08-14 1960-08-15 Steuer- oder Messgerät, das auf Temperatur- oder Feuchtigkeitsänderungen anspricht

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK292059A DK111396B (da) 1959-08-14 1959-08-14 Elektrisk måleapparat til måling af modstandsvariationer i et fugtighedsfølsomt modstandselement.

Publications (1)

Publication Number Publication Date
DK111396B true DK111396B (da) 1968-08-12

Family

ID=8117134

Family Applications (1)

Application Number Title Priority Date Filing Date
DK292059A DK111396B (da) 1959-08-14 1959-08-14 Elektrisk måleapparat til måling af modstandsvariationer i et fugtighedsfølsomt modstandselement.

Country Status (3)

Country Link
CH (1) CH395599A (da)
DK (1) DK111396B (da)
GB (1) GB947929A (da)

Also Published As

Publication number Publication date
GB947929A (en) 1964-01-29
CH395599A (de) 1965-07-15

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