ZA781739B - Self-compensating thermocouple reading circuit - Google Patents
Self-compensating thermocouple reading circuitInfo
- Publication number
- ZA781739B ZA781739B ZA00781739A ZA781739A ZA781739B ZA 781739 B ZA781739 B ZA 781739B ZA 00781739 A ZA00781739 A ZA 00781739A ZA 781739 A ZA781739 A ZA 781739A ZA 781739 B ZA781739 B ZA 781739B
- Authority
- ZA
- South Africa
- Prior art keywords
- self
- reading circuit
- thermocouple reading
- compensating thermocouple
- compensating
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/10—Arrangements for compensating for auxiliary variables, e.g. length of lead
-
- 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
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Control Of Temperature (AREA)
- Amplifiers (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/805,067 US4130019A (en) | 1977-06-09 | 1977-06-09 | Self-compensating thermocouple reading circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA781739B true ZA781739B (en) | 1979-03-28 |
Family
ID=25190595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00781739A ZA781739B (en) | 1977-06-09 | 1978-03-28 | Self-compensating thermocouple reading circuit |
Country Status (9)
Country | Link |
---|---|
US (1) | US4130019A (xx) |
JP (1) | JPS545479A (xx) |
AU (1) | AU511278B2 (xx) |
CA (1) | CA1084729A (xx) |
CH (1) | CH635679A5 (xx) |
DE (1) | DE2822893A1 (xx) |
GB (1) | GB1603061A (xx) |
MX (1) | MX144952A (xx) |
ZA (1) | ZA781739B (xx) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4242907A (en) * | 1979-02-12 | 1981-01-06 | Kazmierowicz Casimir W | Apparatus for monitoring and controlling a flat zone in a furnace |
US4403296A (en) * | 1980-12-18 | 1983-09-06 | Electromedics, Inc. | Measuring and determination device for calculating an output determination based on a mathematical relationship between multiple different input responsive transducers |
US4672566A (en) * | 1981-12-01 | 1987-06-09 | Nissan Motor Company, Limited | Device for measuring variable with automatic compensation for offset |
US4483632A (en) * | 1982-07-15 | 1984-11-20 | Owens-Corning Fiberglas Corporation | Isothermal panel assembly for terminating a plurality of thermocouple leads |
US4482261A (en) * | 1982-07-15 | 1984-11-13 | Owens-Corning Fiberglas Corporation | Method for simultaneous reference junction compensation of a plurality of thermocouples |
US4571689A (en) * | 1982-10-20 | 1986-02-18 | The United States Of America As Represented By The Secretary Of The Air Force | Multiple thermocouple testing device |
FR2544859B1 (fr) * | 1983-04-21 | 1985-08-09 | Auxitrol | Dispositif autoalimente de commutation sensible a un gradient de temperature |
GB2157515B (en) * | 1984-02-01 | 1987-10-07 | Suwa Seikosha Kk | Electronic thermometer |
US4623266A (en) * | 1985-09-24 | 1986-11-18 | Rosemount Inc. | Cold junction compensation for thermocouple |
DE3786823T2 (de) * | 1986-04-24 | 1994-01-20 | Richard A Falk | Thermoelemente. |
JPS6430421U (xx) * | 1987-08-14 | 1989-02-23 | ||
GB8723840D0 (en) * | 1987-10-10 | 1987-11-11 | Murray B G | Monitoring efficiency of liquid pumps |
US4863279A (en) * | 1988-02-22 | 1989-09-05 | Morris L. Markel | Operative temperature sensing system |
FR2629196B1 (fr) * | 1988-03-25 | 1991-05-31 | Thermocoax Cie | Capteur capacitif |
US4936690A (en) * | 1989-05-31 | 1990-06-26 | Rosemount Inc. | Thermocouple transmitter with cold junction compensation |
GB2233457A (en) * | 1989-06-21 | 1991-01-09 | Schlumberger Technologies Ltd | Temperature reference junction for a multichannel temperature sensing system. |
GB9026034D0 (en) * | 1990-11-29 | 1991-01-16 | Rolls Royce Plc | A fluid temperature measuring device |
US5317520A (en) * | 1991-07-01 | 1994-05-31 | Moore Industries International Inc. | Computerized remote resistance measurement system with fault detection |
US5261747A (en) * | 1992-06-22 | 1993-11-16 | Trustees Of Dartmouth College | Switchable thermoelectric element and array |
US5596188A (en) * | 1992-07-01 | 1997-01-21 | Whessoe Varec, Inc. | Clock recovery system and rotational detection circuit |
DE9212230U1 (de) * | 1992-09-10 | 1993-10-21 | Siemens AG, 80333 München | Anordnung mit mehreren Analogeingabeeinheiten |
US5484206A (en) * | 1993-12-28 | 1996-01-16 | Houldsworth; John | Method and apparatus for sensing a cold junction temperature |
US5669713A (en) * | 1994-09-27 | 1997-09-23 | Rosemount Inc. | Calibration of process control temperature transmitter |
TW436439B (en) * | 1996-03-27 | 2001-05-28 | Honda Motor Co Ltd | Main switch of vehicle |
US5775809A (en) * | 1996-07-11 | 1998-07-07 | Measurement Dynamics Llc | Vehicle compartment temperature recorder |
GB2344892B (en) * | 1998-12-16 | 2002-11-13 | Solartron Group Ltd | Cold junction compensation for multiple thermocouples |
US6293700B1 (en) * | 1999-09-24 | 2001-09-25 | Fluke Corporation | Calibrated isothermal assembly for a thermocouple thermometer |
DE10318704B4 (de) * | 2003-04-24 | 2007-10-18 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Ausgabe von Messsignalen |
US7084342B2 (en) * | 2003-06-17 | 2006-08-01 | Watlow Electric Manufacturing Co. | Semi-compensated pins for cold junction compensation |
KR100677742B1 (ko) * | 2004-07-23 | 2007-02-02 | 삼성전자주식회사 | 디지털 온도 센서, 디지털 온도 측정 시스템 및 방법 |
US7447607B2 (en) * | 2004-08-31 | 2008-11-04 | Watow Electric Manufacturing | System and method of compensation for device mounting and thermal transfer error |
US7267481B2 (en) * | 2005-09-01 | 2007-09-11 | Honda Motor Co., Ltd | Vehicle floor temperature sensing fixture |
GB2466288B (en) * | 2008-12-19 | 2013-01-09 | Qhi Group Ltd | Temperature sensor |
US9176010B2 (en) * | 2010-08-31 | 2015-11-03 | Streamline Automation, Llc | Miniaturized thermocouple scanner system |
US8794830B2 (en) * | 2010-10-13 | 2014-08-05 | Biosense Webster, Inc. | Catheter with digitized temperature measurement in control handle |
US20120236904A1 (en) * | 2011-03-14 | 2012-09-20 | Brian Mark Burmaster | Direct thermocouple measurement without a reference junction |
US20150057562A1 (en) * | 2013-08-26 | 2015-02-26 | Podimetrics, Inc. | Apparatus for measuring temperature distribution across the sole of the foot |
US10234335B2 (en) | 2014-04-30 | 2019-03-19 | Thermo-Kinetics Company Limited | Thermocouple resistance compensator |
US20240142315A1 (en) * | 2022-11-01 | 2024-05-02 | Foreman Instrumentation & Controls, Inc. | Modified Thermocouple Assembly |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3459925A (en) * | 1965-10-21 | 1969-08-05 | Atomic Energy Commission | High speed temperature monitor |
US3984772A (en) * | 1973-03-02 | 1976-10-05 | The Perkin-Elmer Corporation | Signal peak detection arrangement |
JPS50157259U (xx) * | 1974-06-12 | 1975-12-26 | ||
JPS5115355A (xx) * | 1974-07-29 | 1976-02-06 | Hitachi Ltd |
-
1977
- 1977-06-09 US US05/805,067 patent/US4130019A/en not_active Expired - Lifetime
-
1978
- 1978-03-21 CA CA299,380A patent/CA1084729A/en not_active Expired
- 1978-03-23 GB GB11688/78A patent/GB1603061A/en not_active Expired
- 1978-03-28 ZA ZA00781739A patent/ZA781739B/xx unknown
- 1978-03-29 AU AU34529/78A patent/AU511278B2/en not_active Expired
- 1978-04-27 JP JP5070378A patent/JPS545479A/ja active Granted
- 1978-05-26 DE DE19782822893 patent/DE2822893A1/de not_active Ceased
- 1978-06-05 MX MX173680A patent/MX144952A/es unknown
- 1978-06-08 CH CH625178A patent/CH635679A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1603061A (en) | 1981-11-18 |
MX144952A (es) | 1981-12-04 |
CH635679A5 (de) | 1983-04-15 |
AU511278B2 (en) | 1980-08-07 |
DE2822893A1 (de) | 1978-12-21 |
JPS545479A (en) | 1979-01-16 |
JPS6215818B2 (xx) | 1987-04-09 |
AU3452978A (en) | 1979-10-04 |
CA1084729A (en) | 1980-09-02 |
US4130019A (en) | 1978-12-19 |
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