AC 110V-230V High Precision Digital LED Motor Speed Tachometer Anti-jamming Hall
The Hall switch needs to be fixed firmly with a bracket. the installation distance between the Hall switch and the magnet must be within 10mm(the effective. 1 Anti-jamming hall switch (with aMagnet piece ). ).
5-Digit LED Digital tachometer RPM Meter For Brushless Motor Fan Hall Sensor NPN
Brushless driver, Brushless driver(built-in drive): follow the driver instructions to set up, commonly are 3, 6, 12. Brushless fan, PC fan, Server fan: the division coefficient is usually 2, a small amount is 1.