4 Digital LED Tachometer RPM Speed Meter + Hall Proximity Switch Sensor NPN
ab 9,85 €
Hall sensor: NPN type 5V. If there is no speed display near the Hall switch, replace the magnet on the other side. The installation should be firm to prevent high-speed throwing out. The effective distance between the front of the Hall switch and the magnet is<5mm, and the magnet N pole is effective.
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