The Application of Socay NTC Thermistors in The Field of Temperature Measurement, The Temperature Measurement Range of Thermistors Can Reach -40 ℃ to +125 ℃
NTC is a negative temperature thermistor, whose principle is that the resistance value decreases as the temperature rises. It is usually composed of 2 or 3 types of metal oxides, mixed in a fluid like clay, and forged into a dense sintered body in a high-temperature furnace. The packaging size is diverse, and they can be as small as 0.01 inches or smaller in diameter. There is almost no limit to the maximum size, but it is usually suitable for sizes below half an inch.
NTC thermistors are widely used in the field of temperature measurement. Compared to semiconductor integrated temperature sensors, NTC thermistors have the characteristics of wide temperature measurement range, convenient use, and low price. Compared with platinum thermistors or thermocouples, NTC thermistors have the characteristics of high sensitivity, simple circuit, and low cost.
Main Parameters:
The temperature measurement range of thermistors can reach -40 ℃ to +125 ℃.
The packaging size can be 0.01 inches or smaller, with almost no limit on the maximum size.
@The resistance value at 25 ℃ ranges from a few hundred Ω to a few K Ω.
The usual method for nonlinear correction of NTC thermistors is to use a fixed resistor with a small temperature coefficient in parallel with the thermistor. This method is simple, easy to use, and has a good correction effect. It has the function of pulling down the cold end of the NTC thermistor curve.
Typical Application Circuit of NTC Temperature Measurement:
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