Works on most types of engines such as
Tecumseh, Kohler and many others.
Range:
800 - 50,000 RPM
14 - 750 Cycles
Directions Included.
A pocket size RPM meter that is compact, competent and inexpensive. It
will tell you the RPM of any piece of revolving machinery by
transforming vibrations into revolutions per minute on a gauge that
is simplicity itself.