Lutron DT-2230 is PHOTO/CONTACT TACHOMETER, pocket type model.
Mini pocket size, easy carryout.
Photo tach. : 5 to 100,000 RPM
Contact tach. : 0.5 to 19,999 RPM.
Surface speed : m/min, ft/min.
Laser beam for Photo tachometer, long measuring distance.
LCD display, RS-232 interface.
Patented.
DC 1.5V battery (UM-4, AAA) x 4.
Documents:
