ES8700766A1 - Un dispositivo de alarma de calibrado para termopares - Google Patents
Un dispositivo de alarma de calibrado para termoparesInfo
- Publication number
- ES8700766A1 ES8700766A1 ES546391A ES546391A ES8700766A1 ES 8700766 A1 ES8700766 A1 ES 8700766A1 ES 546391 A ES546391 A ES 546391A ES 546391 A ES546391 A ES 546391A ES 8700766 A1 ES8700766 A1 ES 8700766A1
- Authority
- ES
- Spain
- Prior art keywords
- thermocouple
- warning device
- coulometer
- calibration warning
- transistor
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/02—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values
- G01K3/04—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values in respect of time
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
DISPOSITIVO DE ALARMA DE CALIBRADO PARA TERMOPARES. CONSTA DE UN AMPLIFICADOR (12) CON SU ENTRADA CONECTADA AL TERMOPAR Y QUE SUMINISTRA CORRIENTE A UN VOLTAMETRO (18), EL CUAL TIENE UNA GANANCIA DE TENSION SUSTANCIALMENTE LINEAL Y SU SALIDA SE HALLA CONECTADA A LA BASE DE UN TRANSISTOR (14) QUE CONTROLA LA CORRIENTE A TRAVES DEL VOLTAMETRO (18), ELIGIENDOSE LAS CARACTERISTICAS DEL AMPLIFICADOR Y DEL TRANSISTOR DE MODO QUE A TENSIONES BAJADAS EN EL TERMOPAR, LA CORRIENTE QUE ATRAVIESA EL VOLTAMETRO (18) SEA DESPRECIABLE. DE APLICACION EN EL CONTROL DE LA TEMPERATURA DE HORNOS, CON GRAN PRECISION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848421451A GB8421451D0 (en) | 1984-08-23 | 1984-08-23 | Calibration warning device |
Publications (2)
Publication Number | Publication Date |
---|---|
ES546391A0 ES546391A0 (es) | 1986-10-16 |
ES8700766A1 true ES8700766A1 (es) | 1986-10-16 |
Family
ID=10565743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES546391A Expired ES8700766A1 (es) | 1984-08-23 | 1985-08-23 | Un dispositivo de alarma de calibrado para termopares |
Country Status (8)
Country | Link |
---|---|
US (1) | US4660993A (es) |
EP (1) | EP0175492A3 (es) |
JP (1) | JPS61124833A (es) |
KR (1) | KR870002536A (es) |
ES (1) | ES8700766A1 (es) |
GB (1) | GB8421451D0 (es) |
PT (1) | PT81006B (es) |
YU (1) | YU134685A (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6850859B1 (en) | 2003-12-03 | 2005-02-01 | Watlow Electric Manufacturing Company | Sensor drift compensation by lot |
US7447607B2 (en) * | 2004-08-31 | 2008-11-04 | Watow Electric Manufacturing | System and method of compensation for device mounting and thermal transfer error |
US8702306B2 (en) | 2007-09-21 | 2014-04-22 | Siemens Industry, Inc. | Systems, devices, and/or methods for managing a thermocouple module |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3738174A (en) * | 1972-03-01 | 1973-06-12 | King Nutronics Corp | Temperature calibration system |
DE2221398A1 (de) * | 1972-05-02 | 1973-11-22 | Bosch Gmbh Robert | Elektronischer schalter fuer hohe temperaturen |
DE2426002A1 (de) * | 1974-05-30 | 1975-12-11 | Siemens Ag | Einrichtung zum messen und anzeigen der temperatur eines mediums, insbesondere des abgases einer verbrennungskraftmaschine |
US4120201A (en) * | 1977-03-18 | 1978-10-17 | Partlow Corporation | Thermocouple temperature measurement circuit having cold junction compensation |
US4132116A (en) * | 1977-10-21 | 1979-01-02 | Hewlett-Packard Gmbh | Method for linearizing the characteristic curve of an electronic component and an apparatus for implementing the same |
JPS5733332A (en) * | 1980-08-05 | 1982-02-23 | Mitsubishi Heavy Ind Ltd | Detection of abnormality in temperature sensor |
DE3208849A1 (de) * | 1981-03-12 | 1982-11-11 | Spembly Ltd., Andover, Hampshire | Kaeltechirurgische sonde |
ATE29926T1 (de) * | 1981-03-24 | 1987-10-15 | Lawrence J Karr | Zeit-temperatur-indikator. |
US4377346A (en) * | 1981-06-04 | 1983-03-22 | Honeywell Inc. | Thermostatic apparatus |
US4537516A (en) * | 1982-09-27 | 1985-08-27 | Saul Epstein | Electronic thermometer |
GB2136135B (en) * | 1983-03-11 | 1987-06-03 | Johnson Matthey Plc | Calibration warning apparatus |
-
1984
- 1984-08-23 GB GB848421451A patent/GB8421451D0/en active Pending
-
1985
- 1985-08-21 EP EP85305947A patent/EP0175492A3/en not_active Withdrawn
- 1985-08-22 PT PT81006A patent/PT81006B/pt not_active IP Right Cessation
- 1985-08-22 JP JP60183136A patent/JPS61124833A/ja active Pending
- 1985-08-23 ES ES546391A patent/ES8700766A1/es not_active Expired
- 1985-08-23 US US06/768,836 patent/US4660993A/en not_active Expired - Fee Related
- 1985-08-23 KR KR1019850006113A patent/KR870002536A/ko not_active Application Discontinuation
- 1985-08-23 YU YU01346/85A patent/YU134685A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS61124833A (ja) | 1986-06-12 |
ES546391A0 (es) | 1986-10-16 |
US4660993A (en) | 1987-04-28 |
YU134685A (en) | 1988-06-30 |
EP0175492A2 (en) | 1986-03-26 |
PT81006A (en) | 1985-09-01 |
PT81006B (pt) | 1992-05-29 |
EP0175492A3 (en) | 1987-11-19 |
GB8421451D0 (en) | 1984-09-26 |
KR870002536A (ko) | 1987-03-31 |
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