Other Electronic Components Manufacturer [ Santa Maria C.v., Italy ] |
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RAIN SENSOR
RC-SPC1K is an thick film technology rain sensor.
This device is realized in Allumina (AL2O3) substrate, this material is endowed a big reliability from an electrical thermal point of view.
The sensor consists of three parts :
1) Capacitive sensor (Face A)
2) Heater generator
3) Temperature Sensor
The Face A is the sensitivity area (capacitiver sensor) this area is exposted to natural agent (rain); In dry condition the value of the capacitor is nominal 100pF,
In presence of the rain the capacitance goes to high valued respect the dry contidion; The ratio changing is over 420%, in the table N.1 you can verify the capacitance change characteristics.
On Face B is present the heating circuit the temperature sensor (NTC component) and the connection interface (six pads).
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