JPS57203941A - Regenerating device for humidity-sensitive element - Google Patents

Regenerating device for humidity-sensitive element

Info

Publication number
JPS57203941A
JPS57203941A JP8882081A JP8882081A JPS57203941A JP S57203941 A JPS57203941 A JP S57203941A JP 8882081 A JP8882081 A JP 8882081A JP 8882081 A JP8882081 A JP 8882081A JP S57203941 A JPS57203941 A JP S57203941A
Authority
JP
Japan
Prior art keywords
humidity
sensitive element
set value
detection circuit
control switch
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
JP8882081A
Other languages
Japanese (ja)
Inventor
Giichi Sudo
Keiichi Minegishi
Tokuji Akiba
Kazumasa Arai
Norio Ogawa
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.)
Chichibu Cement Co Ltd
Original Assignee
Chichibu Cement 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 Chichibu Cement Co Ltd filed Critical Chichibu Cement Co Ltd
Priority to JP8882081A priority Critical patent/JPS57203941A/en
Publication of JPS57203941A publication Critical patent/JPS57203941A/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

Abstract

PURPOSE:To regenerate a humidity-sensitive element with dew formed without damage thereto by heating and drying it until the detection level reaches a set value. CONSTITUTION:A voltage across terminals of a humidity-sensitive element 1 is detected with a voltage detection circuit 3 and the output thereof is connected to a humidity measuring circuit 4 to detect the humidity. A level detection circuit 5 compares the output of the voltage detection circuit 3 with a set value and turns off a control switch 7 when reaching the set value. When the humidity-sensitive element 1 forms dew, the control switch 7 is turned on to start a hot air dryer 2 for heat drying of the element 1. When the output detection circuit 5 reaches a set value with a change in the resistance value of the humidity element by the heating, the control switch 7 is turned off to halt the hot air dryer 2.
JP8882081A 1981-06-11 1981-06-11 Regenerating device for humidity-sensitive element Pending JPS57203941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8882081A JPS57203941A (en) 1981-06-11 1981-06-11 Regenerating device for humidity-sensitive element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8882081A JPS57203941A (en) 1981-06-11 1981-06-11 Regenerating device for humidity-sensitive element

Publications (1)

Publication Number Publication Date
JPS57203941A true JPS57203941A (en) 1982-12-14

Family

ID=13953553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8882081A Pending JPS57203941A (en) 1981-06-11 1981-06-11 Regenerating device for humidity-sensitive element

Country Status (1)

Country Link
JP (1) JPS57203941A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946847A (en) * 1982-09-10 1984-03-16 Matsushita Electric Ind Co Ltd Humidity detector
JP2007010326A (en) * 2005-06-28 2007-01-18 Futaba Electronics:Kk Smell measuring device and smell measuring method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946847A (en) * 1982-09-10 1984-03-16 Matsushita Electric Ind Co Ltd Humidity detector
JP2007010326A (en) * 2005-06-28 2007-01-18 Futaba Electronics:Kk Smell measuring device and smell measuring method

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