NTC thermal resistance for smart fans.Human Body Temperature Monitoring Sensor Manufacturing

　　When it comes to smart fans, the practice of using thermal resistance to replace the thermocouples has become more popular. It is nothing new to control the temperature using thermal resistance. In the fan control of NTC thermistor, if the ambient temperature rises to higher than the room temperature, the temperature measurement bridge will detect the rise of the temperature and turn on the fan. This work is fully automatic. When the ambient temperature returns to room temperature, the fan will be closed. Negative temperature coefficient (NTC) thermistor can detect the rise of ambient temperature very effectively. Because it is negative temperature coefficient, the resistance value of thermal resistance will be reduced when the ambient temperature rises.

　　The MF52 series NTC thermal resistance is coated with epoxy resin. The product characteristics of small volume and fast response are achieved through material and advanced manufacturing processes. It also has precision tolerances and long -term stable reliability. Widely used in temperature detection, measurement, detection, indicator, monitoring, measurement, control, calibration and compensation

　　NTC thermal resistance signs:

　　• The working temperature range is wide, good stability, and good reliability.

　　• Easy to install and operate, because the sealing can be performed according to the environment and conditions of the customer's application.

　　• Precise testing can accurately reflect temperature changes.

　　• Insulation resistance (mΩ): more than 100MΩ per ton DC500 V

　　• Work temperature range (° C): -5 0 ~+1 50

　　• Disposal factor (mw / ℃): 1-2 (static air)

　　• Hot time constant: within 10-25 seconds (in the air)

　　parameter:

　　• R @ 25 ° C: 1 k -100kΩ.

　　• R @ 25 ° C accuracy value: ± 1 %, ± 2 %, ± 3 %, ± 5 %

　　• B value@ 25 ℃/ 50 ℃: 3380, 3470, 3700, 3950, etc.

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