| Customization: | Available |
|---|---|
| Resistance: | Sensitive Resistor |
| Function for Resistance: | Protective Resistor |
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The item is one epoxy bead NTC thermistor sensor. Its temperature measurement range is generally -10 ~ +300 ºC, can also be done -200 ~ +10 ºC, and even can be used for +300 ~ +1200 ºC environment temperature measurement. RT is NTC thermistor; R2 and R3 is the bridge balance resistance; R1 is the starting resistance; R4 is the full scale resistance, the calibration table, also known as the check resistance; R7, R8 and W for the voltage divider, for the bridge to provide a stable DC power supply. R6 is connected in series with the meter head (microampere table), which corrects the scale of the scale and limits the current flowing through the head. R5 is in parallel with the head and protects the unbalanced bridge arm (ie, R1, RT) Into a thermal element RT for the temperature sensor probe.As the thermistor resistance changes with the temperature changes, so that the bridge between the diagonal line between the instructions also change accordingly. This is the thermal The working principle of the resistor thermometer.
Thermistor thermometer accuracy can reach 0.1 ºC, can be as little as 10s. It temperature time is not only suitable for granary thermometer, but also can be used in food storage, medicine and health, scientific farming, marine, deep wells, Glaciers and other aspects of temperature measurement.Specifications:
Epoxy coated,| Specification | R25ºC (KΩ) |
B25/50ºC (K) |
Disspation constant (mW/ºC) |
Time constant (S) |
Operation temperature range (ºC) |
| MF5A-2 -347-202 | 2 | 3470 | ln stil air ≥ 2.1 |
ln stil air ≤ 16 |
-30~120 |
| MF5A-2 -327/347-502 | 5 | 3270/3470 | |||
| MF5A-2-347/390/395-103 | 10 | 3470/3900/3950 | |||
| MF5A-2-395-473 | 47 | 3950 | |||
| MF5A-2-395/400-503 | 50 | 3950/4000 | |||
| MF5A-2-405-104 | 100 | 4050 |
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