JPS5547440A - Measuring device for impurity concentration - Google Patents

Measuring device for impurity concentration

Info

Publication number
JPS5547440A
JPS5547440A JP12070478A JP12070478A JPS5547440A JP S5547440 A JPS5547440 A JP S5547440A JP 12070478 A JP12070478 A JP 12070478A JP 12070478 A JP12070478 A JP 12070478A JP S5547440 A JPS5547440 A JP S5547440A
Authority
JP
Japan
Prior art keywords
signal
output
temperature detector
temperature
fed
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
JP12070478A
Other languages
Japanese (ja)
Other versions
JPS6142819B2 (en
Inventor
Iwao Oshima
Ryoichi Otani
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.)
Toshiba Corp
Nippon Atomic Industry Group Co Ltd
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Nippon Atomic Industry Group 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd, Nippon Atomic Industry Group Co Ltd filed Critical Toshiba Corp
Priority to JP12070478A priority Critical patent/JPS5547440A/en
Publication of JPS5547440A publication Critical patent/JPS5547440A/en
Publication of JPS6142819B2 publication Critical patent/JPS6142819B2/ja
Granted legal-status Critical Current

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

PURPOSE: To improve the precision of measurement by automatically computing the saturated solubility on using a signal given by the temperature detector as it is and b avoiding the cooling of a fixed temperature or less when cooled.
CONSTITUTION: A signal, which is given when the change-over controller 11 operates, for example, the blower starts its operation, is fed to the arithmetic unit 21, a time interval between the instants at which the signals are introduced, that is, a control period, is computed an output signal of the temperature detector 6 is integrated, the integral is divided by the control period to obtain the average temperature, and the value is displayed on the indicator 22. Also an output of the temperature detector 6 and the lower limit setting signal are fed to the comparator 23 the output of which controls the number of turns of the blower.
COPYRIGHT: (C)1980,JPO&Japio
JP12070478A 1978-09-30 1978-09-30 Measuring device for impurity concentration Granted JPS5547440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12070478A JPS5547440A (en) 1978-09-30 1978-09-30 Measuring device for impurity concentration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12070478A JPS5547440A (en) 1978-09-30 1978-09-30 Measuring device for impurity concentration

Publications (2)

Publication Number Publication Date
JPS5547440A true JPS5547440A (en) 1980-04-03
JPS6142819B2 JPS6142819B2 (en) 1986-09-24

Family

ID=14792911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12070478A Granted JPS5547440A (en) 1978-09-30 1978-09-30 Measuring device for impurity concentration

Country Status (1)

Country Link
JP (1) JPS5547440A (en)

Also Published As

Publication number Publication date
JPS6142819B2 (en) 1986-09-24

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