Description

4″ HD Tachometer (4000 RPM) Diesel (Mech Takeoff & Var Ratio Alt) – Black

Hole Size: 4″ gauge (3.375″ [85mm] mounting hole)

Perimeter-lighted black dial with bold white graphics, black aluminum SAE style bezel, contoured white pointer and flat glass lens.

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 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 sent per each engine revolution.

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
• Black

The electronic tachometer works by counting the pulses generated by the ignition system, alternator, speed signal generator or magnetic head transmitter. The tachometer is connected to +12v DC,…
SKU: NVN-72893
MPN: 43003
UPC: 759266430037