JPS5661640A - Measuring method and apparatus for thermal conductivity - Google Patents

Measuring method and apparatus for thermal conductivity

Info

Publication number
JPS5661640A
JPS5661640A JP13790679A JP13790679A JPS5661640A JP S5661640 A JPS5661640 A JP S5661640A JP 13790679 A JP13790679 A JP 13790679A JP 13790679 A JP13790679 A JP 13790679A JP S5661640 A JPS5661640 A JP S5661640A
Authority
JP
Japan
Prior art keywords
supplied
analog multiplexer
thermal conductivity
thermocouple
input terminal
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
JP13790679A
Other languages
Japanese (ja)
Other versions
JPS6059540B2 (en
Inventor
Yoshiaki Arakawa
Ryuichi Tate
Hiroshi Fukunaga
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP13790679A priority Critical patent/JPS6059540B2/en
Publication of JPS5661640A publication Critical patent/JPS5661640A/en
Publication of JPS6059540B2 publication Critical patent/JPS6059540B2/en
Expired legal-status Critical Current

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

PURPOSE: To accurately measure the thermal conductivity by performing the measurement based on the integration value of the measured temperature along time in order to allow the measurement to be free of the error of measurement due to the selection of specific times.
CONSTITUTION: The output of a thermocouple 4 in a probe unit 1 is supplied to an input terminal 14a of an analog multiplexer 14. The temperature of the cold junction of the thermocouple 4 is measured by means of an automatic cold-junction compensator 15, and supplied to an input terminal 14b of the analog multiplexer 14. Moreover, the output of the thermocouple 4 is supplied through a preamplifier 12, precut circuit 17 and integrator 42 to an input terminal 14c of the analog multiplexer 14. Each analog data supplied to the analog multiplexer 14 is sent through an A/D converter 18 to a digital input circuit 19, processor 20 and memory 21. Through a digital output circuit 24, the processor 20 controls a thermal conductivity digital display 26, measured temperature digital display 27 and set-up OK lamp 28.
COPYRIGHT: (C)1981,JPO&Japio
JP13790679A 1979-10-25 1979-10-25 Thermal conductivity measurement method and device Expired JPS6059540B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13790679A JPS6059540B2 (en) 1979-10-25 1979-10-25 Thermal conductivity measurement method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13790679A JPS6059540B2 (en) 1979-10-25 1979-10-25 Thermal conductivity measurement method and device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP16645185A Division JPS61198046A (en) 1985-07-27 1985-07-27 Method and instrument for measuring thermal conductivity

Publications (2)

Publication Number Publication Date
JPS5661640A true JPS5661640A (en) 1981-05-27
JPS6059540B2 JPS6059540B2 (en) 1985-12-25

Family

ID=15209436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13790679A Expired JPS6059540B2 (en) 1979-10-25 1979-10-25 Thermal conductivity measurement method and device

Country Status (1)

Country Link
JP (1) JPS6059540B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036944A (en) * 1983-08-09 1985-02-26 Rigaku Denki Kk Apparatus for measuring heat conductivity
US6142662A (en) * 1998-06-16 2000-11-07 New Jersey Institute Of Technology Apparatus and method for simultaneously determining thermal conductivity and thermal contact resistance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036944A (en) * 1983-08-09 1985-02-26 Rigaku Denki Kk Apparatus for measuring heat conductivity
US6142662A (en) * 1998-06-16 2000-11-07 New Jersey Institute Of Technology Apparatus and method for simultaneously determining thermal conductivity and thermal contact resistance

Also Published As

Publication number Publication date
JPS6059540B2 (en) 1985-12-25

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