JPS5770437A - Leakage detecting and announcing device - Google Patents

Leakage detecting and announcing device

Info

Publication number
JPS5770437A
JPS5770437A JP55146927A JP14692780A JPS5770437A JP S5770437 A JPS5770437 A JP S5770437A JP 55146927 A JP55146927 A JP 55146927A JP 14692780 A JP14692780 A JP 14692780A JP S5770437 A JPS5770437 A JP S5770437A
Authority
JP
Japan
Prior art keywords
sensor
insulator
electrodes
connector
retentive
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.)
Pending
Application number
JP55146927A
Other languages
Japanese (ja)
Inventor
Takenori Kai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55146927A priority Critical patent/JPS5770437A/en
Publication of JPS5770437A publication Critical patent/JPS5770437A/en
Pending 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)
  • Absorbent Articles And Supports Therefor (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PURPOSE:To facilitate replacement by mounting a wet sensor provided with an electrode on the surface of a water retentive and absorptive insulator freely removably to the body of a detecting part. CONSTITUTION:A substrate 10 having electric circuits are built in a body 1 of a detecting part, and is connected electrically to a connector 5. The connector 5 consists of a clip 6, a lead part 8 and conductors 9. A sensor 2 is constituted of a base 3 consisting of water absorptive and retentive insulator such as paper, fabrics or the like and plural pieces of electrodes 4 joined to the surface thereof. To connect the sensor 2 to the body 1, one end of the sensor 2 is so bent that the electrodes 4 expose on the surface and this part is clipped 6.
JP55146927A 1980-10-22 1980-10-22 Leakage detecting and announcing device Pending JPS5770437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55146927A JPS5770437A (en) 1980-10-22 1980-10-22 Leakage detecting and announcing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55146927A JPS5770437A (en) 1980-10-22 1980-10-22 Leakage detecting and announcing device

Publications (1)

Publication Number Publication Date
JPS5770437A true JPS5770437A (en) 1982-04-30

Family

ID=15418714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55146927A Pending JPS5770437A (en) 1980-10-22 1980-10-22 Leakage detecting and announcing device

Country Status (1)

Country Link
JP (1) JPS5770437A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343593A2 (en) * 1988-05-23 1989-11-29 Yamatake-Honeywell Co. Ltd. Moisture-sensitive element
CN114484297A (en) * 2022-01-25 2022-05-13 汉朝智慧科技(南京)有限公司 Pipe network leakage monitoring system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127391A (en) * 1978-03-27 1979-10-03 Kazuo Sugihara Night urine detecting alarm

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127391A (en) * 1978-03-27 1979-10-03 Kazuo Sugihara Night urine detecting alarm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0343593A2 (en) * 1988-05-23 1989-11-29 Yamatake-Honeywell Co. Ltd. Moisture-sensitive element
CN114484297A (en) * 2022-01-25 2022-05-13 汉朝智慧科技(南京)有限公司 Pipe network leakage monitoring system

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