DONGKER Digital LED Tachometer, AC 230V 110V Digital RPM Motor Tachometer with Hall Proximity Switch Sensor NPN Tachometer
DONGKER Digital LED Tachometer, AC 230V 110V Digital RPM Motor Tachometer with Hall Proximity Switch Sensor NPN Tachometer
Product Features
- HIGH PRECISION MEASUREMENT: Measuring range: 10-9999; Measurement accuracy: 0.1%, measured value 1 word; Display refresh rate: >3 times/second
- Anti interference: Comes with Hall sensor and magnet, good stability, accurate Hall induction, reliable speed measurement, strong anti interference ability.
- LED DISPLAY: Equipped with a 4-bit digital LED display, which makes the speedometer clear and easy to read.
- OVER RANGE DISPLAY: When the rotation speed is too low, "LLLL" will be displayed; If the speed is too high, "HHHH" will be displayed
- PLEASE NOTE: 1.Avoid strong electromagnetic interference; 2.When testing, the Hall switch and the magnet must be firmly attached, otherwise there will be vibration, resulting in a jump or inaccurate reading, and the distance between the Hall switch and the magnet must be within 10mm