The Condition Monitoring Rotation Meter is a portable compact device used to measure revolutions per minute (rpm) in one-cylinder two-stroke and eight-cylinder four-stroke combustion engines with electric ignition starters. The handheld automotive Condition Monitoring Rotation Meter features an easy-to-read, backlit digital LCD display and flashlight functionality for low-light applications. When the inductive clip is placed on the ignition cable, revolutions are measured quickly and easily. Compatible with motorcycles, cars, trucks and more, the Condition Monitoring Rotation Meter is a versatile tool for use in garages, repair shops, factories and research and development (R&D) laboratories alike.