For pendulum period measurements, air track timing, measuring period of rotation etc.
It connects to electronic counters of type 200250 or 200260 using the supplied cable with DIN plug.
Made from impact-resistant plastic with threads for vertical and horizontal mounting using the supplied Ø 10 mm support post.
Gap width: 90 mm
Dimensions (W x H x D): 160 x 120 x 28 mm
Weight: 0.45 kg