Đo nhiệt độ P4

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Đo nhiệt độ P4

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Resistance Thermometers General and Historical Background Resistance thermometers, which change their resistance with temperature, are based on modulating sensors described in Chapter 1 . These sensors, which are also referred to as resistance thermometers detectors and thermo-resistors, require the supply of energy to support the flow of acquired temperature information . When Sir Humphrey Davy, the English chemist who invented the Davy Safety Lamp for use in coal mining, investigated the properties of platinum in 1821, he reported the temperature dependence of its resistance....

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