JPH0650764Y2 - 比熱式水分センサ - Google Patents

比熱式水分センサ

Info

Publication number
JPH0650764Y2
JPH0650764Y2 JP1989124036U JP12403689U JPH0650764Y2 JP H0650764 Y2 JPH0650764 Y2 JP H0650764Y2 JP 1989124036 U JP1989124036 U JP 1989124036U JP 12403689 U JP12403689 U JP 12403689U JP H0650764 Y2 JPH0650764 Y2 JP H0650764Y2
Authority
JP
Japan
Prior art keywords
specific heat
sensor
moisture sensor
heat type
type moisture
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 - Fee Related
Application number
JP1989124036U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0363854U (en]
Inventor
良春 名川
義昭 石黒
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.)
Yazaki Corp
Original Assignee
Yazaki Corp
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 Yazaki Corp filed Critical Yazaki Corp
Priority to JP1989124036U priority Critical patent/JPH0650764Y2/ja
Priority to US07/589,593 priority patent/US5142901A/en
Priority to NL9002325A priority patent/NL9002325A/nl
Publication of JPH0363854U publication Critical patent/JPH0363854U/ja
Application granted granted Critical
Publication of JPH0650764Y2 publication Critical patent/JPH0650764Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
JP1989124036U 1989-10-25 1989-10-25 比熱式水分センサ Expired - Fee Related JPH0650764Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989124036U JPH0650764Y2 (ja) 1989-10-25 1989-10-25 比熱式水分センサ
US07/589,593 US5142901A (en) 1989-10-25 1990-09-28 Specific heat based moisture sensor
NL9002325A NL9002325A (nl) 1989-10-25 1990-10-24 Vochtsensor gebaseerd op specifieke warmte.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989124036U JPH0650764Y2 (ja) 1989-10-25 1989-10-25 比熱式水分センサ

Publications (2)

Publication Number Publication Date
JPH0363854U JPH0363854U (en]) 1991-06-21
JPH0650764Y2 true JPH0650764Y2 (ja) 1994-12-21

Family

ID=14875438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989124036U Expired - Fee Related JPH0650764Y2 (ja) 1989-10-25 1989-10-25 比熱式水分センサ

Country Status (3)

Country Link
US (1) US5142901A (en])
JP (1) JPH0650764Y2 (en])
NL (1) NL9002325A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101496044B1 (ko) * 2013-11-04 2015-02-25 주식회사 현대케피코 산소 센서 제어장치 및 방법

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859536A (en) * 1997-01-08 1999-01-12 Oliver Haugen Moisture sensor having low sensitivity to conductance changes
EP0981737B1 (de) * 1997-05-15 2001-07-25 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Sensor zur bestimmung des feuchtegehalts
US6104011A (en) * 1997-09-04 2000-08-15 Watlow Electric Manufacturing Company Sheathed thermocouple with internal coiled wires
ATE469349T1 (de) * 1999-04-22 2010-06-15 Ebro Electronic Gmbh & Co Kg Vorrichtung zum messen des zustands von ölen und fetten
JP4188287B2 (ja) * 2004-07-15 2008-11-26 三井金属鉱業株式会社 熱式センサ及びそれを用いた測定装置
EP1621874A1 (en) * 2004-07-19 2006-02-01 Matsuo Electric Co., Ltd. Moisture detector
CA2590610C (en) * 2004-12-16 2016-09-06 Atlantic Business Centre Of Excellence And Commercialization Of Innovation Ltd. Method and apparatus for monitoring materials
DE102010030131B4 (de) * 2010-06-15 2011-12-29 Dow Deutschland Anlagengesellschaft Mbh Handgerät sowie Verfahren zum Untersuchen eines korrosionsanfälligen metallischen Gegenstands auf Korrosion
US20170219552A1 (en) * 2016-02-02 2017-08-03 Reinoud Jacob HARTMAN Method and apparatus for determining the rate of sap-content variation in living plants, and relating that to soil water tension, and transmitting the collected information
DE102018113671B4 (de) * 2018-06-08 2021-03-18 Hochschule Kaiserslautern Verfahren zur Ermittlung des Feuchtegehalts eines Feuchtigkeit aufnehmenden Materials
CN110308249B (zh) * 2019-07-12 2021-12-10 中科同帜半导体(江苏)有限公司 一种湿度传感器

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
US2718141A (en) * 1952-01-25 1955-09-20 Lorenzo A Richards Electro-thermal element for measuring moisture in porous media
US4018624A (en) * 1973-08-22 1977-04-19 Engelhard Minerals & Chemicals Corporation Thermocouple structure and method of manufacturing same
US4020417A (en) * 1975-11-26 1977-04-26 Turf Service Laboratories, Inc. Soil moisture indicator device
US4238957A (en) * 1977-07-04 1980-12-16 Commonwealth Scientific And Industrial Research Organization Pyrometric sheath and process
US4165633A (en) * 1978-02-09 1979-08-28 Motorola Process Control Inc. System for measuring moisture content
US4242906A (en) * 1979-09-04 1981-01-06 Wescor, Inc. Thermocouple-equipped, soil probe with removable protective shield
US4399404A (en) * 1981-02-23 1983-08-16 Resh Roy E Moisture tester with probe
US4453401A (en) * 1982-03-12 1984-06-12 The United States Of America As Represented By The Secretary Of The Air Force Pressure sensor and soil stress isolation filter arrangement in a pore pressure probe
US4445788A (en) * 1982-04-30 1984-05-01 The Board Of Regents Of The University Of Nebraska Soil probe and method of obtaining moisture, temperature and root distribution of a soil profile
US4531087A (en) * 1982-06-09 1985-07-23 Larson Glenn F Electrical sensor for measuring moisture in landscape and agricultural soils
JPS5972784A (ja) * 1982-10-19 1984-04-24 Ishikawajima Harima Heavy Ind Co Ltd シ−ス型熱電対
US4527909A (en) * 1983-09-23 1985-07-09 Conax Corporation Sealed temperature probe
US4673306A (en) * 1984-07-11 1987-06-16 Dataproducts Corporation Magnetic paper clamp
US4614442A (en) * 1985-01-18 1986-09-30 Poncy George W Thermometer sheath package for electronic thermometers
US4721534A (en) * 1985-09-12 1988-01-26 System Planning Corporation Immersion pyrometer
JPS6347644A (ja) * 1986-08-14 1988-02-29 Yazaki Corp 水分センサー
JPS63120245A (ja) * 1986-11-08 1988-05-24 Norin Suisansyo Nogyo Kankyo Gijutsu Kenkyusho 土壌熱伝導率表示装置
NZ223712A (en) * 1987-03-03 1989-11-28 Darryl Ross Whitford Determining moisture content using heat conductivity probe
JPH0544772Y2 (en]) * 1988-03-25 1993-11-15
US4934831A (en) * 1989-03-20 1990-06-19 Claud S. Gordon Company Temperature sensing device
JP3170960B2 (ja) * 1993-06-11 2001-05-28 日産自動車株式会社 表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101496044B1 (ko) * 2013-11-04 2015-02-25 주식회사 현대케피코 산소 센서 제어장치 및 방법

Also Published As

Publication number Publication date
NL9002325A (nl) 1991-05-16
US5142901A (en) 1992-09-01
JPH0363854U (en]) 1991-06-21

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees