Ticker Tape Timer 12V Model

This 2 speed ticker timer is a modern version of the tried and tested method of measuring velocity and acceleration. A vibrating striker prints dots on the tape using carbon discs. The rate can be adjusted to 25 or 40 dots per second. The unit is housed in a durable, scratch proof, shock absorbing plastic case which has a single plastic plate for clamping to a bench or fixing to a dynamics track. It has a unique method of adjusting the position of the carbon disc. Includes 100 Carbon Discs and one 50m roll of tape Operates on 12 volts DC supply (not included)