Digital Contact and Laser Tachometer Combined optical and mechanical measurement

Combined contact and non-contact digital tachometer which measures rotation rate and surface speeds. It is capable of measuring in units of rpm, ft/min or m/min. The built-in memory recalls the most recent minimum and ­maximum values. The tachometer includes, reflective tape, cone tip, flat tip, and wheel attachments for measuring surface speeds. 3 pcs. of 1,5V AA batteries included. Comes with a foam-fitted, hard-plastic storage box.