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Wiki Alutal
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Acessories
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Bimetallic thermometer
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Calibration
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Resistance Thermometers
- 01 - Introdução
- 02 - O Sensor
- 03 - Measurement principle
- 04 - Montagem típica
- 05 - Recomendações
- 06 - Termorresistência Padrão
- 07 - Industrial Thermoresistance
- 08 - Auto Aquecimento
- 09 - Resistência de isolação
- 10 - Vantagens em relação aos termopares
- 11 - Desvantagens em relação aos termopares
- 12 - Tolerância
- 13 - Tabela de Conversão Resistência x Temperatura
- 14 - Tempo de Resposta
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Temperature
- 01 - Heat and Temperature
- 02 - Heat Transmission
- 03 - Thermal Equilibrium
- 04 - Zeroth Law of Thermodynamics
- 06 - Second Law of Thermodynamics
- 07 - Third Law of Thermodynamics
- 08 – Thermometric Scales
- 09 - International Temperature Scale
- 10 – Types of Temperature Sensors
- 11 - Thermoelectric Theory
- 12 - Daniel Gabriel Fahrenheit
- 13 - Anders Celsius
- 14 - Thomas Johann Seebeck
- 15 - Jean Charles Athanase Peltier
- 16 - Willian Thomson (Lorde Kelvin)
- 17 - William John Macquorn Rankine
- 18 - René-Antoine Ferchault de Réaumur
- 19 - Max Karl Ernst Ludwig Planck
- 20 - Electromotive Force
- Temperature > 05 - First Law of Thermodynamics
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Temperature Transmitter
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Thermocouples
- 01 - Introdução
- 02 - Fios termopares
- 03 - Tipos de Termopares
- 04 - Efeito Seebeck
- 05 - Efeito Peltier
- 06 - Efeito Thomson
- 07 - Correlation of Electromotive Force (EMF)
- 08 - As Leis Termoelétricas
- 09 - Homogeneous Circuit Law
- 10 - Intermediate Metals Law
- 11 - Law of Intermediate Temperatures
- 12 - Envelhecimento de Termopares
- 13 - Oscilação de medidas
- 14 - Erros comuns de ligação
- 15 - Normas Temperatura
- 16 - Tipos de Atmosferas
- 17 - Termopar Convencional
- 18 - Termopar de Isolação Mineral
- 19 - Termopares Flexíveis
- 20 - Blindagem Eletrostática/Tempo de Resposta
- 21 - Termopar padrão
- 22 - Thermocouple association
- 23 - Recomendações para instalação de termopares
- 24 - Termopares Especiais
- 25 - Imersão do sensor
- 26 - Magnetização do termopar tipo K
- 27 - Green-Root
- 28 - Termopares partindo de Fios/cabos de Extensão
- 29 - Tabela de conversão Milivoltagem x Temperatura
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Wells
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Wires and extension cords / compensation
Thermocouples > 09 - Homogeneous Circuit Law
“The thermal emf, developed in a thermoelectric circuit of two different metals, with their junctions at temperatures T1 and T2, is independent of the temperature gradient and its distribution along the wires”. In other words, the measured emf depends solely and exclusively on the chemical composition of the two metals and the temperatures at the junctions.
An example of the practical application of this law is that we can have a large temperature variation at any point along the thermocouple wires, but this will not influence the emf produced by the temperature difference between the joints. Therefore, temperature measurements can be made at well-defined points with thermocouples, since what is important is the temperature difference between the joints.
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