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, temperaturni opseg, 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?
A: High sensitivity eliminates any lead resistance. It also simplifies the supporting electronics. A 10,000 ohm thermistor changes resistance by 4.4% ili 440 ohms for a 1°C change in temperature. A 100 ohm platinum sensor changes resistance by 1/3 ohm for a 1°C change in temperature.
Poređenje sonde temperaturnog senzora PT100 i modula DS18B20
1) Osnovni princip akvizicije signala
① Otpor PT100 se mijenja proporcionalno s temperaturom (što je temperatura viša, što je veći otpor), ali promjena otpora je vrlo mala, o 0.385 Oh / stepen;
NTC temperature sensor is a thermistor sensor (opseg merenja temperature: -30°C to +200°C (-22°F to +392°F) waterproof probe). Its resistance value changes with temperature. NTC (Negativni temperaturni koeficijent) means that its resistance value is negatively correlated with temperature, to jest, as the temperature rises, the resistance value will decrease; obrnuto, as the temperature decreases, the resistance value will increase. This characteristic makes NTC temperature sensor very suitable for measuring temperature.
U modernim primjenama senzorske tehnologije, (NTC, PTC, PT100, termoelement, termalni otpornik, DS18B20, itd. kabl, komplet sonde) senzori temperature su ključni mjerni alati. Široko se koriste u industrijskoj automatizaciji, poljoprivredni monitoring, proizvodnja automobila i druge oblasti. Kako bi se osiguralo da senzor temperature može raditi stabilno i pouzdano u vlažnom ili vlažnom okruženju, vodootporna tehnologija i tehnologija otporna na vlagu
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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