Η μέθοδος σύνδεσης του αισθητήρα θερμοκρασίας θερμίστορ NTC πρέπει να καθοριστεί σύμφωνα με το πραγματικό σενάριο εφαρμογής και τις απαιτήσεις μέτρησης. Κατά τη διαδικασία της καλωδίωσης, φροντίστε να δώσετε προσοχή στην πολικότητα της ακίδας, επιλογή σύρματος, εύρος θερμοκρασίας, φιλτράρισμα και αποσύνδεση, επεξεργασία γείωσης, και επαλήθευση και βαθμονόμηση για την εξασφάλιση της ακρίβειας και της αξιοπιστίας της μέτρησης.
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?
ΕΝΑ: High sensitivity eliminates any lead resistance. It also simplifies the supporting electronics. ΕΝΑ 10,000 ohm thermistor changes resistance by 4.4% ή 440 ohms for a 1°C change in temperature. ΕΝΑ 100 ohm platinum sensor changes resistance by 1/3 ohm for a 1°C change in temperature.
NTC temperature sensor is a thermistor sensor (εύρος θερμοκρασίας μέτρησης: -30°C to +200°C (-22°F to +392°F) waterproof probe). Its resistance value changes with temperature. NTC (Αρνητικός συντελεστής θερμοκρασίας) means that its resistance value is negatively correlated with temperature, that is, as the temperature rises, the resistance value will decrease; conversely, as the temperature decreases, the resistance value will increase. This characteristic makes NTC temperature sensor very suitable for measuring temperature.
In modern sensing technology applications, (NTC, PTC, PT100, θερμοστοιχείο, thermal resistor, DS18B20, και τα λοιπά. καλώδιο, probe kit) temperature sensors are key measuring tools. They are widely used in industrial automation, agricultural monitoring, automobile manufacturing and other fields. In order to ensure that the temperature sensor can work stably and reliably in a humid or wet environment, 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.
NTC Thermistor Temp Sensors. -13℉-257℉ Quick Response High Sensitivity Temperature Sensor Probe For Home Appliances 5K B3470 5K 3470K 5K B3950 5K 3950K 10K B3435 10K 3435K 10K B3950 10K 3950K 15K B3950 15K 3950K 20K B3950 20K 3950K 50K B3950 50K 3950K 100K B3950 100K 3950K
PTC linear positive temperature coefficient thermistor is made of PTC material and physical process. It has excellent stability and complex linearity. The characteristic curve remains unchanged after millions of repetitions. The resistance value increases with the temperature, changes linearly, and has good linearity. Compared with the thermistor synthesized by PTC polymer ceramics, it has good linearity and does not require linear compensation measures to simplify the circuit design. It also has good resistance consistency, strong interchangeability, and standardized appearance and specifications. The temperature sensing speed is fast, 1-2 seconds in air medium, and has high sensitivity. It is small in size, sturdy in structure, and standardized in appearance, suitable for automated installation of printed circuit boards.
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