euro White 4" Tachometer With Hourmeter - 6,000 Rpm (gas - Inboard)4"" - Hole Size: 3.375"" (85mm)
electronic Tachometers Work By Counting Pulses Generated By The Ingition System, Alternator, Tach Signal Generator Or Magnetic P Ickup Sender. The Tach Is Hooked Up To +12vdc, Ground And One Of Hte 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 S Ent Per Each Engine Revolution.
benefits:- wide Range Of Scales
- multiple Signal Sources
- rugged, Reliable Construction
- 7 Character Lcd Display
- 0-999999.9 Hours
- updates In .1 In Crements
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lumens = 105battery Type = Aaabatteries Included = Yes