JPS57191524A - Measuring method for temperature error of thermocouple - Google Patents
Measuring method for temperature error of thermocoupleInfo
- Publication number
- JPS57191524A JPS57191524A JP7714781A JP7714781A JPS57191524A JP S57191524 A JPS57191524 A JP S57191524A JP 7714781 A JP7714781 A JP 7714781A JP 7714781 A JP7714781 A JP 7714781A JP S57191524 A JPS57191524 A JP S57191524A
- Authority
- JP
- Japan
- Prior art keywords
- thermocouple
- cap
- temperature
- difference
- heating
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
Abstract
PURPOSE:To measure the temperature error of a thermocouple to be measured accurately by heating a standard thermocouple and the thermocouple to be measured in a heating atmosphere while their tip parts are inserted into a single cap made of a good thermal conductor. CONSTITUTION:The tip part of a standard thermocouple 1 is inserted into a hole 5 of a cap 4 and the tip part of a thermocouple 2 to be measured is also inserted into a hole 6 of the cap 4 before the both are charged in a heating furnace 3. Then, the electromotive forces that those couples 1 and 2 generate are made to operate on each other, and their difference is amplified and recorded to obtain a temperature difference. The cap 4 is made of metal, or a good thermal conductor, so those thermocouples 1 and 2 are heated approximately to the same temperature, eliminating a difference in heating temperature due to a position difference between the both. In addition, the temperature variation width of the cap surface due to variation in the quantity of radiation heat from the furnace wall by an electric heater 8 is less than that in the cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7714781A JPS57191524A (en) | 1981-05-20 | 1981-05-20 | Measuring method for temperature error of thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7714781A JPS57191524A (en) | 1981-05-20 | 1981-05-20 | Measuring method for temperature error of thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57191524A true JPS57191524A (en) | 1982-11-25 |
Family
ID=13625678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7714781A Pending JPS57191524A (en) | 1981-05-20 | 1981-05-20 | Measuring method for temperature error of thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57191524A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1154249A1 (en) * | 2000-05-12 | 2001-11-14 | Dr. Mennicken GmbH | Device for measuring temperature |
| JP2014149252A (en) * | 2013-02-04 | 2014-08-21 | Yoshiro Mizuno | Creation method of calibration data of thermometer, storage device storing calibration data, and thermometer employing the method |
-
1981
- 1981-05-20 JP JP7714781A patent/JPS57191524A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1154249A1 (en) * | 2000-05-12 | 2001-11-14 | Dr. Mennicken GmbH | Device for measuring temperature |
| JP2014149252A (en) * | 2013-02-04 | 2014-08-21 | Yoshiro Mizuno | Creation method of calibration data of thermometer, storage device storing calibration data, and thermometer employing the method |
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