Euro White 4" Tachometer - 6,000 RPM (Gas - Inboard &
I/O)
4" - Hole size: 3.375" (85mm)
Electronic tachometers work by counting pulses generated by the ingition
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
postion you let the tachometer know how many pulses are sent per each engine
revolution.
Benefits:
- Wide range of scales
- Multiple signal sources
- Rugged, Reliable construction
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Installation Manual