How does resistance thermometer measure temperature?
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Resistance thermometers are usually used to measure temperatures between -200 and 500°C. Resistance thermometers work by changing resistance with a change in temperature in a repeatable manner.
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A thermometer measures temperature through a glass tube sealed with mercury that expands or contracts as the temperature rises or falls. ... As temperatures rise, the mercury-filled bulb expands into the capillary tube. Its rate of expansion is calibrated on the glass scale.
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