PHOTO/CONTACT TACHOMETER, pocket type
Model : DT-2230
* 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/USB interface.
* Patented.
* DC 1.5V battery ( UM-4, AAA ) x 4.