As a component that can change the resistance value according to temperature changes, thermistors have a wide range of applications (such as temperature measurement, temperature control, temperature compensation, temperature alarm, battery thermal protection). Let me share with you several application cases of thermistors:
The connection method of the NTC thermistor temperature sensor needs to be determined according to the actual application scenario and measurement requirements. During the wiring process, be sure to pay attention to the pin polarity, wire selection, rang de temperatures, filtering and decoupling, grounding treatment, and verification and calibration to ensure the accuracy and reliability of the measurement.
What are thermistors NTC and PTC?
NTC and PTC are both thermistors, which are special resistors that can change resistance with temperature. They can also be said to be a kind of sensor.
Q: Can you explain sensitivity resolution in more detail? Why are higher values better?
Una: High sensitivity eliminates any lead resistance. It also simplifies the supporting electronics. Una 10,000 ohm thermistor changes resistance by 4.4% o 440 ohms for a 1°C change in temperature. Una 100 ohm platinum sensor changes resistance by 1/3 ohm for a 1°C change in temperature.
Comparison between PT100 temperature sensor probe and DS18B20 module
1) Basic principle of signal acquisition
① The resistance of PT100 changes proportionally with the temperature (the higher the temperature, the greater the resistance), but the resistance change is very small, sobre 0.385 O / degree;
NTC temperature sensor is a thermistor sensor (rang de mesura de temperatura: -30°C to +200°C (-22°F to +392°F) waterproof probe). Its resistance value changes with temperature. NTC (Negative Temperature Coefficient) means that its resistance value is negatively correlated with temperature, és a dir, as the temperature rises, the resistance value will decrease; a la inversa, as the temperature decreases, the resistance value will increase. This characteristic makes NTC temperature sensor very suitable for measuring temperature.
En aplicacions modernes de tecnologia de detecció, (NTC, PTC, PT100, termoparell, resistència tèrmica, DS18B20, etc. cable, kit de sonda) Els sensors de temperatura són eines clau de mesura. S'utilitzen àmpliament en l'automatització industrial, seguiment agrícola, fabricació d'automòbils i altres camps. Per garantir que el sensor de temperatura pugui funcionar de manera estable i fiable en un ambient humit o humit, waterproof and moisture-proof technology
The core technologies of sensor probes and temperature measurement cable kits involve temperature sensing, signal transmission and data processing. Temperature acquisition expert YAXUN uses high-precision Shibaura NTC thermistors for sensor temperature sensing harnesses, including sensing materials, signal processing technology, integrated design and future development trends.
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