Product Description

Digital Timers With Photogates is an accessory specifically designed for use with Linear Air Track, free fall apparatus, air‐cushion turnplate, gravity acceleration apparatus and etc. It is microprocessor-controlled and offers eight programmed functions to record counts, interruption timing, time between interruptions, period of oscillation, acceleration, acceleration due to gravity, velocity in collisions, and time scale output.

Comes with two photogates.