platinum resistance sensor的意思|示意

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英语单词platinum resistance sensor的用法讲解

Platinum resistance sensors (PRS) are widely used in various industries, including chemical, aerospace, and medical. They are a type of temperature sensor that utilizes the resistance variation of a platinum wire due to temperature changes.

The principle of operation of a PRS is based on the fact that the resistance of a conductor changes with temperature. For a platinum wire, the change in resistance is very small, making it an ideal material for measuring temperature with high accuracy. The resistance of the platinum wire is measured and converted into a temperature value.

The platinum wire used in a PRS is usually wound around a ceramic or glass core to protect it from external influences such as physical damage, moisture, and chemical substances.

PRSs are preferred over other types of temperature sensors due to their high accuracy, stability, repeatability, and linearity. They can measure the temperature of a wide range of substances, from gases to liquids to solids, and can withstand high temperatures up to 1000°C.

PRSs are commonly used in applications where accurate and reliable temperature measurement is critical, such as in chemical reactors, furnace temperature control, and in medical equipment such as incubators and autoclaves.