JPS58205844A - 乾燥・結露・着霜識別センサ - Google Patents

乾燥・結露・着霜識別センサ

Info

Publication number
JPS58205844A
JPS58205844A JP57089490A JP8949082A JPS58205844A JP S58205844 A JPS58205844 A JP S58205844A JP 57089490 A JP57089490 A JP 57089490A JP 8949082 A JP8949082 A JP 8949082A JP S58205844 A JPS58205844 A JP S58205844A
Authority
JP
Japan
Prior art keywords
impedance
dew condensation
frost
dryness
frosting
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
JP57089490A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0310069B2 (enrdf_load_stackoverflow
Inventor
Mitsuhiro Murata
充弘 村田
Akira Kumada
明 久万田
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP57089490A priority Critical patent/JPS58205844A/ja
Publication of JPS58205844A publication Critical patent/JPS58205844A/ja
Publication of JPH0310069B2 publication Critical patent/JPH0310069B2/ja
Granted legal-status Critical Current

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
    • G01N27/048Investigating 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

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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Non-Adjustable Resistors (AREA)
JP57089490A 1982-05-25 1982-05-25 乾燥・結露・着霜識別センサ Granted JPS58205844A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57089490A JPS58205844A (ja) 1982-05-25 1982-05-25 乾燥・結露・着霜識別センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57089490A JPS58205844A (ja) 1982-05-25 1982-05-25 乾燥・結露・着霜識別センサ

Publications (2)

Publication Number Publication Date
JPS58205844A true JPS58205844A (ja) 1983-11-30
JPH0310069B2 JPH0310069B2 (enrdf_load_stackoverflow) 1991-02-12

Family

ID=13972187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57089490A Granted JPS58205844A (ja) 1982-05-25 1982-05-25 乾燥・結露・着霜識別センサ

Country Status (1)

Country Link
JP (1) JPS58205844A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018096698A (ja) * 2016-12-08 2018-06-21 明星電気株式会社 湿度測定システム及び湿度センサ異常検出方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018096698A (ja) * 2016-12-08 2018-06-21 明星電気株式会社 湿度測定システム及び湿度センサ異常検出方法

Also Published As

Publication number Publication date
JPH0310069B2 (enrdf_load_stackoverflow) 1991-02-12

Similar Documents

Publication Publication Date Title
US4522060A (en) Dry/dew/frost sensor
US4893214A (en) Capacitance type sensitive element and a manufacturing method thereof
CN101932928B (zh) 集成的相对湿度传感器的电容平衡的改进结构
US5757197A (en) Method and apparatus for electrically determining the presence, absence or level of a conducting medium, contamination notwithstanding
JPS6212465B2 (enrdf_load_stackoverflow)
US9234859B2 (en) Integrated device of a capacitive type for detecting humidity, in particular manufactured using a CMOS technology
TW202028758A (zh) 電容器檢查裝置及電容器檢查方法
JP2019109224A (ja) 導電率センサ
JPS58205844A (ja) 乾燥・結露・着霜識別センサ
CN103645219B (zh) 多量程cmos mems电容式湿度传感器
JPS58205845A (ja) 乾燥・結露・着霜識別センサ
JPS58205846A (ja) 乾燥・結露・着霜識別センサ
CN103675041A (zh) 多量程叉指电容式湿度传感器
JPS58205848A (ja) 結露・着霜センサ
US20170160121A1 (en) Field device electronics for a conductive limit-level switch
JPS59180433A (ja) 複合センサ装置
US3486037A (en) Device for sensing the presence of a liquid or vapor in the atmosphere
JPS6116934B2 (enrdf_load_stackoverflow)
JPH0239245Y2 (enrdf_load_stackoverflow)
SU1388704A1 (ru) Датчик дл регистрации параметров развити поверхностных трещин
KR20060098107A (ko) 용량형 습도센서
JPS5983044A (ja) 結霜・結露センサ
JPS593319A (ja) 液位検知器
JPS58151549A (ja) 静電容量形感湿素子
JPS6325158A (ja) 車輌用デミスト制御装置