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.

Overview of Features:

• Wide range of scales

• Available for gas or diesel engines

• Multiple signal sources

• Anti-scratch glass lens

• Plastic Cases for corrosion resistance and long life

• 12 vDC negative ground

• Can be adapted for 24 vDC systems

• Available in standard or Metric values

Gauge Sizes Available:

4″ – Hole size: 3.375″ (85mm)

5″ – Hole size: 4.375″ (112mm)