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The characteristics of the thermal resistor1

2021-01-06

JVTIA

247

Thermistor is a sensitive element, has been widely used in industrial application. Users in the use of thermistor for thermistor is need to master the use of knowledge, which for the characteristics of the thermal resistor is a must to know. Engineering today is for everybody detailed introduction of the characteristics of the thermal resistor, the hope can help to you.

thermistor can be divided into positive temperature coefficient according to the different temperature coefficient thermistor ( PTC(列车自动控制系统) And negative temperature coefficient thermistor ( NTC) 。 The typical characteristic of thermistor is sensitive to temperature, different temperatures show different resistance. Positive temperature coefficient thermistor ( PTC(列车自动控制系统) Resistance when the higher the temperature, the greater the negative temperature coefficient thermistor ( NTC) When the higher the temperature, the lower the resistance value, they both belong to the semiconductor device.

the characteristics of the thermistor:

(1) higher sensitivity, its temperature coefficient of resistance to more than 10 ~ 100 times larger than metal, can detect 10 ℃ - 6 ℃ temperature change;

2. Wide working temperature range, the normal temperature device applicable to - 55 ℃ ~ 315 ℃, the high temperature components applicable temperature higher than 315 ℃, At present the highest can reach 2000 ℃) And apply to - low temperature device 273℃～55℃;

3. Small volume, the gap to other thermometer measurement, the temperature of the cavity and biological blood vessels in the body;

4. Easy to use, the resistance value can be arbitrary between Ω 01 k ~ 100 k Ω choice;

5 easy processing into complex shapes, can be mass production;

6. Good stability, strong overload capacity.

more high-quality sensors at https://www. rtdcn。 Com /

key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure sensor and digital temperature sensor

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