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Thermocouple Temperature Sensor with Seebeck Voltage Measurement and Dissimilar Metals Junction

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China Jinan Hydeb Thermal Tech Co., Ltd. Certificações
China Jinan Hydeb Thermal Tech Co., Ltd. Certificações
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Thermocouple Temperature Sensor with Seebeck Voltage Measurement and Dissimilar Metals Junction

Thermocouple Temperature Sensor with Seebeck Voltage Measurement and Dissimilar Metals Junction

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Temperature Measurement Thermocouple

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Seebeck Voltage Temperature Sensor

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Dissimilar Metals Thermoelectric Sensor

Thermocouple
The primary function of a thermocouple is to measure temperature by generating a small electrical voltage (known as the Seebeck voltage or thermoelectric EMF) that is directly proportional to the temperature difference between its two ends. This voltage is measured and converted into a temperature reading by a connected instrument.
How It Works
A thermocouple consists of two wires made of dissimilar metals joined together at one end (measuring junction or hot junction). The other ends are connected to a measuring instrument (reference junction or cold junction).
  • When the measuring junction is exposed to heat, a voltage is generated due to the Seebeck effect.
  • This millivolt-level voltage is measured at the reference junction.
  • Since the voltage depends on the temperature difference between junctions, the reference junction temperature must be known (typically through automatic compensation in the measuring device) for accurate measurement.

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Jinan Hydeb Thermal Tech Co., Ltd.

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Telefone: +8613869124558

Fax: 86-531-88969137

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