Visual Scientifics PTPGS Photogate, 12" L x 12" H x 4" W

Grade 8-College. This easy-to-use tool has a built-in stopwatch and works with the Visual Scientifics System or any lab requiring a photogate. It has 4 function modes: gate (time of interruption), pulse (time between interruptions), pendulum (time between 1st and 3rd interruptions) and frequency (frequency of interruptions). Includes instructions, 2 photogates, 2 connecting wires, wall charger, 9-V battery, main hub and control. Visual Scientifics is an affordable system that joins video analysis or probeware with core mechanics concepts and lets you blend physics, technology, engineering, and real-world applications. By allowing you to use all the technologies available today, Visual Scientifics can enhance your laboratory experiments with tools that take your physics curriculum to the next level. Plus this cutting-edge system is specifically designed to be platform neutral, so it works with the computers, probeware, and video analysis tools you already own and know how to use.