Voltcraft DS-01 Tachometer 5-12, 500 Rpm

Digital - A system that uses only 0s and 1s to transmit data

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

RPM - Revolutionss per minute, the number of rotations per minute around a fixed axel.

rotation - A circular motion of an object around a central axis

speed - A measurement of how fast an object travels between two points

Rapid have established themselves as a leading online supplier of electrical products, cables, tools, electrical components and educational resources. Through their website you can purchase a variety of meters and resistors, batteries, electrical sockets, fuses and circuit breakers, communications cables, miniature power tools, small hand tools, rivets, tapes and adhesives, office equipment and educational books and equipment. As well as selling to the general public their extensive product selections means they also sell to trade customers. They also have great links with educational customers supplying products to many schools, colleges and universities. They also offer a great turnaround on delivery meaning that your products can be with you the very next day. Some of the top brands that they stock include Recom, Draper, Bosch, Hammond, Duracell, Kingbright, Arcol and Neutrik.