Uni 3220 May 2026

Hold the device 50mm to 500mm (2 to 20 inches) away from the rotating object. The laser spot should hit the reflective tape squarely.

If you work with motors, fans, conveyor belts, or any rotating machinery, you know the golden rule: That’s where the Uni 3220 becomes an indispensable tool in your toolkit. uni 3220

How to measure RPM safely, accurately, and without stopping your machines. Hold the device 50mm to 500mm (2 to

You stick a small piece of reflective tape (included in the box) onto the rotating object. The laser shines at the tape. Every time the tape passes the laser, the sensor counts one rotation. In one second, it knows exactly how fast the shaft is spinning. Step 1: Prep the Target Cut a 12mm square of the reflective tape and stick it to the rotating surface. If the shaft is black or dark, the reflection works best. For shiny metal, you may need to put a piece of black tape down first, then the reflective tape on top. How to measure RPM safely, accurately, and without