Faria Beede 33132 4" White Dress Tachometer Gauge with Hourmeter 6000 RPM - Marine, Automotive & Industrial Applications for RPM Monitoring

Electronic tachometers work by counting pulses generated by the ignition system, alternator, tach signal generator or magnetic pickup sender. The tach is hooked up to +12vDC, Ground and one of the signal sources listed above. By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution.

Wide range of scales

Available for gas or diesel engines

Multiple signal sources

Rugged, Reliable construction

7 character LCD display