CA998435A - Relative humidity sensor - Google Patents

Relative humidity sensor

Info

Publication number
CA998435A
CA998435A CA216,359A CA216359A CA998435A CA 998435 A CA998435 A CA 998435A CA 216359 A CA216359 A CA 216359A CA 998435 A CA998435 A CA 998435A
Authority
CA
Canada
Prior art keywords
relative humidity
humidity sensor
sensor
relative
humidity
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
Application number
CA216,359A
Other versions
CA216359S (en
Inventor
Ernest A. Satren
Merle E. Nicholas
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of CA998435A publication Critical patent/CA998435A/en
Expired legal-status Critical Current

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
    • G01N27/04—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
    • G01N27/121—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 for determining moisture content, e.g. humidity, of the fluid

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 Fluid Adsorption Or Reactions (AREA)
  • Non-Adjustable Resistors (AREA)
CA216,359A 1974-01-22 1974-12-18 Relative humidity sensor Expired CA998435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US435614A US3916367A (en) 1974-01-22 1974-01-22 Relative humidity sensor

Publications (1)

Publication Number Publication Date
CA998435A true CA998435A (en) 1976-10-12

Family

ID=23729100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,359A Expired CA998435A (en) 1974-01-22 1974-12-18 Relative humidity sensor

Country Status (3)

Country Link
US (1) US3916367A (en)
JP (1) JPS50115084A (en)
CA (1) CA998435A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120275A (en) * 1975-04-14 1976-10-21 Oosakafu Humidity transducer and its production method
US4127763A (en) * 1975-04-17 1978-11-28 Saint-Gobain Industries Heated window with a moisture sensor having a high impedance
US4017820A (en) * 1975-07-25 1977-04-12 Illinois Tool Works Inc. Humidity sensor with multiple electrode layers separated by a porous monolithic ceramic dielectric structure
GB2064126A (en) * 1979-11-22 1981-06-10 Philips Electronic Associated Method of making humidity sensors
GB8322418D0 (en) * 1983-08-19 1983-09-21 Emi Ltd Humidity sensor
US4771823A (en) * 1987-08-20 1988-09-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self-actuating heat switches for redundant refrigeration systems
DE102009025325A1 (en) * 2009-06-15 2010-12-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Coulometric humidity sensor with AC voltage source
WO2020184496A1 (en) * 2019-03-08 2020-09-17 Ball Wave Inc. System, method and program for calibrating moisture sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543384A (en) * 1948-03-29 1951-02-27 Honeywell Regulator Co Hygroscopic control device
US3105214A (en) * 1959-02-25 1963-09-24 Univ California Moisture measuring apparatus
DK91299C (en) * 1959-09-21 1961-07-10 Danfoss Ved Ingenioer Mads Cla Sensor element for a hygrometer.
US3295088A (en) * 1964-10-14 1966-12-27 Johnson Service Co Electrical humidity sensing element
US3686606A (en) * 1970-08-24 1972-08-22 Johnson Service Co Electrical humidity sensing element
US3703697A (en) * 1971-06-23 1972-11-21 Honeywell Inc Relative humidity sensor
US3715702A (en) * 1971-06-23 1973-02-06 Honeywell Inc Relative humidity sensor

Also Published As

Publication number Publication date
JPS50115084A (en) 1975-09-09
US3916367A (en) 1975-10-28

Similar Documents

Publication Publication Date Title
CA1012237A (en) Ultrasonic sensor
JPS5512600A (en) Sensor amplifier
CA1029115A (en) Humidity sensor
CA1031849A (en) Horizon sensor
CA947995A (en) Relative humidity sensor
AU467292B2 (en) Eye-bush
CA998435A (en) Relative humidity sensor
CA947996A (en) Relative humidity sensor
CA1023801A (en) Moisture detector
AU7844675A (en) Sensor
AU490656B2 (en) Preconditioned element
CA1006909A (en) Rotor position sensor
AU477866B2 (en) Horizon sensor
AU495282B2 (en) Speed sensor assembly
AU7973475A (en) Capacitive sensor
AU520871B2 (en) Angular position transducer
AU8225275A (en) Speed sensor assembly
AU494898B2 (en) Position measurement system
AU491788B2 (en) 5-heptyl-2-hydroxybenzaldoximes
AU488320B2 (en) Polycycloanilines
AU475114B2 (en) Arylalkylsulphoxides
AU492269B2 (en) 14-desoxy-14-tosyloxyacetoxy-mutilin
AU468625B2 (en) Wire-connector
AU491257B2 (en) 11b-fluoro-androstenes
AU491120B2 (en) 7d-hydroxy-oestradiol