4-Digit Green LED Tachometer RPM Meter With NPN Hall Proximity Switch Sensor - DC8-24V

Need to measure RPMs accurately?

This digital tachometer kit has you covered.

It comes with the 4-digit green LED display unit and an NPN hall effect proximity sensor.

Just mount the sensor near a rotating part with a magnet, and you'll get a readout.

The meter measures from 10 to 9999 rpm with 0.1% accuracy.

It runs on 8 to 24 volts DC and only draws about 30mA.

The display itself is about 79mm by 43mm, nice and compact.

Refresh rate is more than 3 times per second, so you get smooth, usable data.

Great for DIY projects, small engines, or industrial monitoring.

Basic, functional, and ready to wire up.