PT100 Temperature Sensor WZP-236 6mm Probe 1/2" NPT Thread Thermocouple Terminal Head Waterproof Sensor

Review: Temperature is a physical quantity that represents the degree of cold and heat of an object. It can be indirectly measured by certain characteristics of the object with temperature changes (such as resistance, voltage changes, etc.). It has been found that the resistance value of metal platinum (Pt) changes with temperature, and it has good reproducibility and stability. A sensor made of this physical characteristic of platinum is called platinum resistance temperature sensor, the commonly used platinum resistance temperature sensor has a zero resistance of 100 Ω and a resistance change rate of 0.3851 Ω / °C. The platinum resistance temperature sensor has high precision, good stability, wide range of application. It is the most commonly used temperature detector in the low-temperature zone (-200 ~ 650 °C), not only widely used in industrial temperature measurement, but also various standard thermometers (covering national and world reference temperatures) have been developed for measurement and calibration.

Temperature Coefficient TCR of Platinum Resistance According to the IEC 751 international standard, the temperature coefficient TCR = 0.003851, Pt100(R0 = 100Ω), and Pt 1000(R0 = 100Ω) are unified design platinum resistors. TCR =(R100-R0) /(R0 × 100) 

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