2107 - Alternator Tester

Electronic variable speed control (inverter) with speed range controlled by potentiometer. Speed range from approximately 800 to 7,000 R.P.M. to make tests at OEM recommended output speeds and low R.P.M. cut-in speeds. Heavy-duty watt saver motor designed for electronic variable speed inverters that ensure energy efficiency and Quiet operation. Off/forward/reverse motor switch.