Pair of Photogates with Brackets, Each

Details

This four-digit timer is designed to be used with air tracks, free fall apparatus, and other equipment. It is microprocessor-controlled and offers eight programmed functions to record counts, time intervals, periods of oscillation, accelerations, acceleration due to gravity, and velocities in collisions. It comes with two photogates. An instructional manual is included. More detailed 'available upon request.