DONGKER Digital LED Tachometer, AC 230V 110V Digital RPM Motor Tachometer with Hall Proximity Switch Sensor NPN Tachometer
DONGKER Digital LED Tachometer, AC 230 V 110 V Digital RPM Motor Tachometer with Hall Proximity Switch Sensor NPN Tachometer
Product Features
- High precision measurement: measuring range: 10-9999; measuring accuracy: 0.1%, measured value 1 word; display refresh rate: >3 times/second
- Anti-interference: comes with Hall sensor and magnet, good stability, accurate reverb induction, reliable speed measurement, strong anti-interference ability.
- LED display: equipped with a digital 4-bit LED display, which makes the speedometer clear and easy to read.
- OVER RANGE DISPLAY: If the rotation speed is too low, "LLLL" is displayed; If the speed is too high, "HHHH" is 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 vibrations that lead to a jump or inaccurate reading, and the distance between the Hall switch and the magnet must be within 10 mm