JPS5246876A - Thermcouple fault detecting device - Google Patents
Thermcouple fault detecting deviceInfo
- Publication number
- JPS5246876A JPS5246876A JP50122518A JP12251875A JPS5246876A JP S5246876 A JPS5246876 A JP S5246876A JP 50122518 A JP50122518 A JP 50122518A JP 12251875 A JP12251875 A JP 12251875A JP S5246876 A JPS5246876 A JP S5246876A
- Authority
- JP
- Japan
- Prior art keywords
- thermcouple
- detecting device
- fault detecting
- thermocouple
- lead wire
- 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
Abstract
PURPOSE: To accurately measure the internal resistance of a thermocouple by flowing current in the thermocouple and its compensating lead wire or compensating lead wire of a dummy using a constant current power supply of DC, thereby detecting the fault of the thermocouple at high sensitivity.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50122518A JPS5246876A (en) | 1975-10-13 | 1975-10-13 | Thermcouple fault detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50122518A JPS5246876A (en) | 1975-10-13 | 1975-10-13 | Thermcouple fault detecting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5246876A true JPS5246876A (en) | 1977-04-14 |
Family
ID=14837826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50122518A Pending JPS5246876A (en) | 1975-10-13 | 1975-10-13 | Thermcouple fault detecting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5246876A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0331731A (en) * | 1989-06-29 | 1991-02-12 | Komatsu Ltd | Method and circuit for detecting disconnection of thermistor temperature sensor circuit |
DE102005036407A1 (en) * | 2005-07-29 | 2007-02-01 | Endress + Hauser Wetzer Gmbh + Co. Kg | Evaluation unit for continuous thermocouples |
-
1975
- 1975-10-13 JP JP50122518A patent/JPS5246876A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0331731A (en) * | 1989-06-29 | 1991-02-12 | Komatsu Ltd | Method and circuit for detecting disconnection of thermistor temperature sensor circuit |
DE102005036407A1 (en) * | 2005-07-29 | 2007-02-01 | Endress + Hauser Wetzer Gmbh + Co. Kg | Evaluation unit for continuous thermocouples |
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