GB8507685D0 - Humidity measurement/control instrument - Google Patents

Humidity measurement/control instrument

Info

Publication number
GB8507685D0
GB8507685D0 GB858507685A GB8507685A GB8507685D0 GB 8507685 D0 GB8507685 D0 GB 8507685D0 GB 858507685 A GB858507685 A GB 858507685A GB 8507685 A GB8507685 A GB 8507685A GB 8507685 D0 GB8507685 D0 GB 8507685D0
Authority
GB
United Kingdom
Prior art keywords
control instrument
humidity measurement
humidity
measurement
instrument
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.)
Withdrawn
Application number
GB858507685A
Other versions
GB2172999A (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.)
GE Protimeter Ltd
Original Assignee
Protimeter PLC
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 Protimeter PLC filed Critical Protimeter PLC
Priority to GB08507685A priority Critical patent/GB2172999A/en
Publication of GB8507685D0 publication Critical patent/GB8507685D0/en
Publication of GB2172999A publication Critical patent/GB2172999A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB08507685A 1985-03-25 1985-03-25 A humidity measurement or control instrument Withdrawn GB2172999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08507685A GB2172999A (en) 1985-03-25 1985-03-25 A humidity measurement or control instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08507685A GB2172999A (en) 1985-03-25 1985-03-25 A humidity measurement or control instrument

Publications (2)

Publication Number Publication Date
GB8507685D0 true GB8507685D0 (en) 1985-05-01
GB2172999A GB2172999A (en) 1986-10-01

Family

ID=10576588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08507685A Withdrawn GB2172999A (en) 1985-03-25 1985-03-25 A humidity measurement or control instrument

Country Status (1)

Country Link
GB (1) GB2172999A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3724966C3 (en) * 1986-07-29 1996-03-21 Sharp Kk sensor
GB2222261B (en) * 1988-08-22 1992-09-16 Seiko Epson Corp Humidity measuring apparatus
EP0376721B1 (en) * 1988-12-29 1998-07-15 Sharp Kabushiki Kaisha Moisture-sensitive device
KR100379471B1 (en) * 2000-07-19 2003-04-10 엘지전자 주식회사 absolute humidity sensor and circuit for detecting temperature and humidity using the same
JP5884238B2 (en) * 2012-03-05 2016-03-15 ナガノサイエンス株式会社 Humidity detection device and environmental test device equipped with the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB533381A (en) * 1939-09-08 1941-02-12 Henry Noel Negretti Improvements in or relating to humidity measuring devices
DE1008501B (en) * 1954-12-23
NL104894C (en) * 1959-06-08
GB884505A (en) * 1959-07-13 1961-12-13 Copolymer Rubber & Chem Corp Improvements in or relating to the assessment or comparison of the moisture content of materials
IL23783A (en) * 1965-06-22 1969-11-12 Teich A Moisture-sensing detector and apparatus including same
DE1648304A1 (en) * 1967-12-19 1971-06-24 Sina Ag Device for measuring the relative humidity of a gas
CH539848A (en) * 1972-07-10 1973-07-31 Sina Ag Device for measuring the relative humidity of a gaseous medium
US4419888A (en) * 1979-06-14 1983-12-13 Kabushikikaisha Shibaura Denshi Seisakusho Humidity measuring method
JPS60203811A (en) * 1984-03-28 1985-10-15 Sharp Corp Detector

Also Published As

Publication number Publication date
GB2172999A (en) 1986-10-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)