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Fast. precise thermometer

Fast. precise thermometer
Thermometers that depend on the Seebeck (thermoelectric) effect have been in use for many years. The thermocouples (sensors) used in these instruments are formed by two wires of dissimilar metal joined either at each end (two-terminal) or at one end (three-terminal) to form an electrical circuit. If the junctions are at different temperatures, a current will flow in the circuit. The magnitude of the current is proportional to the characteristics of the materials and the difference between the two end temperatures.These sensors are robust, inexpensive, available in a variety of shapes and sizes, and suitable for use over a wide range of temperatures.
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