The Motion Detector uses ultrasound to measure the position of carts, balls, people, and other objects.

• Measure objects as close as 15 cm and as far away as 6 m.
• Sensitivity switch reduces noise and produces higher quality data for studying dynamics carts on tracks.
• Attaches easily to the Vernier Dynamics System.
• Pivoting head allows for flexibility in the experiment setup.

You may also want to purchase the Motion Detector Clamp to attach the Motion Detector to a variety of objects such as table tops, ring stands, etc.