3665 Phototach can be used as a contact as well as a non-contact tachometer
Four styles of contact adapter tips clip easily to the top of the Phototach and the Infrared technology makes the Phototach accurate convenient and easy to use
Infrared beam is not affected by ambient light and the non-contact design results in zero torque loss for true precision
Equipped with a laser pointer for accurate targeting and reflective tape placed on a revolving object can be measured at distances from 2 inch to 20 inch
Wide measuring range and high resolution 2.5 to 99999 rpm with a large 5-digit display