These pocket-sized tachometers are small enough to fit anywhere. Read measurements easily with large LCD. HOLD function freezes readings displayed on the LCD. Select from an optical or contact tachometer.

Model 87702-10 ia a contact meter that measures rpm and linear speeds in ft/min, m/min, and yd/min. Concave and convex tips allows for linear speed measurements.

What's Included: one 9 V battery. Model 87702-10 also includes convex and concave tips and a surface wheel.