The application characteristics of PT100 temperature sensor

by:Thermistor-Mov     2020-04-20
Pt100 temperature sensor in the application of thermal resistance is low temperature zone * commonly used a temperature detector. Its main characteristic is high accuracy, stable performance. The platinum thermal resistance measurement is * * * degrees higher, it is not only widely used in industrial temperature measurement, and is made into standard benchmark instrument. Thermal resistance temperature measurement is based on the metal conductor resistance value increases with the increase of the temperature of the properties for temperature measurement. Thermal resistance are mostly made of pure metal materials, the use is * number of platinum and copper, in addition, now have begun to use the materials such as nickel, manganese and rhodium thermal resistance. PT100 temperature sensor features: 1. High accuracy. Of all the thermometer, it * high accuracy, can reach 1 mk. 2. The output signal is big, high sensitivity. The sensitivity of thermal resistance thermometer PT100 than thermel ( Thermocouple) One order of magnitude. 3. Temperature range, stable performance is good. In the small vibration and the suitable environment, can be in a long time to keep zero. The stability of the under 1 ℃. Performance parameters: 1, platinum resistance temperature coefficient of components including: R100 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - In the resistance value R0-100 ℃ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - At 0 ℃, the resistance value of 2 and the components of platinum resistance temperature - Resistance characteristics including: RT - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - T ℃ resistance value R0 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 0 ℃ resistance 3, platinum resistance element of measurement range and the permissible error margin of error, namely the relationship between thermal resistance of the actual resistance and temperature deviation indexing table allowed range.
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