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Thermocouple

Thermocouple

T540/0127

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Credit

ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY

Caption

Thermocouple. Gas temperature sensor and its digital meter. Thermocouples work by using two lengths of different metals. These lengths are joined at the top and connected to a voltmeter at the bottom. When there is a temperature disparity between the top and bottom, an electromotive force is produced which is roughly proportional to the temperature difference.

Release details

Model release not required. Property release not required.

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