Theoretically and in textbooks, the temperature range used by industrial platinum resistors is often described as degrees Celsius. The real operating temperature range of industrial platinum resistors cannot exceed degrees Celsius. However, the insulation resistance requirements for thermal resistors when measuring high temperatures are higher than those for thermocouple temperature measurements, and the high-temperature insulation stability of thermal resistors is not easy to guarantee, so when measuring When the temperature is higher than Celsius, try to use a hot spot couple to measure the temperature, a platinum resistor to measure low temperatures, and a hot spot couple to measure medium to high temperatures.
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