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GB2011092A - Liquid-vapour sensor device - Google Patents

Liquid-vapour sensor device

Info

Publication number
GB2011092A
GB2011092A GB7849931A GB7849931A GB2011092A GB 2011092 A GB2011092 A GB 2011092A GB 7849931 A GB7849931 A GB 7849931A GB 7849931 A GB7849931 A GB 7849931A GB 2011092 A GB2011092 A GB 2011092A
Authority
GB
United Kingdom
Prior art keywords
liquid
vapour
sensor device
appliance
voltage value
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.)
Granted
Application number
GB7849931A
Other versions
GB2011092B (en
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.)
Hinch M C
Original Assignee
Hinch M C
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 Hinch M C filed Critical Hinch M C
Publication of GB2011092A publication Critical patent/GB2011092A/en
Application granted granted Critical
Publication of GB2011092B publication Critical patent/GB2011092B/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
    • G01N27/048—Investigating 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

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)
  • Cookers (AREA)

Abstract

A device responding to the degree of liquid vapour in an enclosure C to control the application of energizing power via socket B to an appliance. such as an exhaust fan (not shown). Response is by voltage value resulting from changing resistance between adjacent conductors on a printed circuit board D exposed to condensation of the vapour. Switching of power to the appliance is controlled by a comparator 8 which compares said voltage value and the value of a reference voltage. <IMAGE>
GB7849931A 1977-12-23 1978-12-22 Liquid-vapour sensor device Expired GB2011092B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPD287477 1977-12-23

Publications (2)

Publication Number Publication Date
GB2011092A true GB2011092A (en) 1979-07-04
GB2011092B GB2011092B (en) 1982-08-18

Family

ID=3767337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7849931A Expired GB2011092B (en) 1977-12-23 1978-12-22 Liquid-vapour sensor device

Country Status (3)

Country Link
AU (1) AU4260878A (en)
GB (1) GB2011092B (en)
NZ (1) NZ189220A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU592135B2 (en) * 1985-12-09 1990-01-04 Morris Clifford Hinch Vapour sensor
CN114965587A (en) * 2022-08-03 2022-08-30 石家庄铁道大学 Triaxial pressure indoor soil sample resistivity distribution testing device and system

Also Published As

Publication number Publication date
GB2011092B (en) 1982-08-18
AU4260878A (en) 1979-06-28
NZ189220A (en) 1981-12-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee