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3 Digit RPM Counter Kit

Assembled counter

RPM counter kit contents

Electronic RPM counter provides fast and easy way to measure the speed of all the motors. Top picture shows how assembled counter looks like.

This is the kit (shown in the picture below) that includes all components necessary to build the counter. Assembly instructions with typical setup for motor speed measurement are provided. Requires standard 9 Volts battery (not included).


This is an electronic kit that requires soldering iron for assembly. Please note that original digital counter kit was developed by another company and therefore we do not provide any additional technical support besides its use for RPM measurement.