Phototach contact/non-contact

Phototach contact/non-contact • No. 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. • Infrared technology makes the phototach accurate, convenient, and easy to use. • Infrared beam not affected by ambient light. • Non-contact design results in (zero) torque loss for true precision. • Phototach is equipped with a laser pointer for accurate targeting. • Reflective tape placed on a revolving object can be measured at distances from 2" to 20". • Wide measuring range and high resolution, 2.5 to 99,999 rpm with a large 5-digit display, autoranging, min/max memory storage, and low-battery indicator. No. 3665 – Phototach contact/non-contact.