JPS5480174A - Temperature measuring method - Google Patents
Temperature measuring methodInfo
- Publication number
- JPS5480174A JPS5480174A JP14767077A JP14767077A JPS5480174A JP S5480174 A JPS5480174 A JP S5480174A JP 14767077 A JP14767077 A JP 14767077A JP 14767077 A JP14767077 A JP 14767077A JP S5480174 A JPS5480174 A JP S5480174A
- Authority
- JP
- Japan
- Prior art keywords
- lead wires
- compensating lead
- control unit
- resistance value
- arithmetic control
- 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
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
PURPOSE:To make possible accurate measurement and disconnection detection of compensating lead wires by measuring the resistance value of compensating lead wires, obtaining the relations between the output errors of the compensation lead wires based on the resistance value and thermoelectromotive force with an arithmetic control unit and correcting the output of the compensation lead wires with a process input unit. CONSTITUTION:After compensating lead wirs 2 are laid to thermocouple 1, the resistance value Rl of the compensating lead wires 2 is measured. The relations among the Rl thereof, forward resistance Rl1, backward resistance Rl2, error delta by the voltage E of a battery 4 for detecting the disconnection of compensating lead wires and thermoelectromotive force (e) of the thermocouple 1 are obtained by an arithmetic control unit 1c, by which an error curve is obtained. Based on the error curve, correction is applied to the output voltage V in a process input unit 1b. And this corrected voltage V is inputted to the arithmetic control unit 1c so that temperature signal is generated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14767077A JPS5480174A (en) | 1977-12-08 | 1977-12-08 | Temperature measuring method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14767077A JPS5480174A (en) | 1977-12-08 | 1977-12-08 | Temperature measuring method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5480174A true JPS5480174A (en) | 1979-06-26 |
Family
ID=15435608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14767077A Pending JPS5480174A (en) | 1977-12-08 | 1977-12-08 | Temperature measuring method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5480174A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113950617A (en) * | 2019-06-17 | 2022-01-18 | 三菱电机株式会社 | Temperature input unit, temperature measurement device, and program |
-
1977
- 1977-12-08 JP JP14767077A patent/JPS5480174A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113950617A (en) * | 2019-06-17 | 2022-01-18 | 三菱电机株式会社 | Temperature input unit, temperature measurement device, and program |
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