United Scientific™ Digital Timer With Photogates

Free Fall Apparatus Has A 150Cm Fall Length. It Includes An Electromagnetic Ball Release, A Pair Of Photogates, 2 Steel Balls, A Plumb Line, And A Catcher. Requires Digital Timer (Not Included). Includes Activity Guide.
This convenient free fall apparatus for measuring the acceleration of gravity has a 150cm fall length. It includes an electromagnetic ball release, a pair of photogates on a long cable harness, two steel balls, a plumb line, and a catcher. Requires the digital timer DTPHG1 (not included). More detailed description available upon request. Includes activity guide.