MOTOR METER RACING Universal Diesel Engine 85mm 3-3/8" Tachometer for Alternator W Terminal 4000 RPM White Dial in Dash 12/24 Volt

This is a long-selling diesel tachometer. If you are looking for a diesel tachometer for use below 4000 rpm, this one is what you want. This is a versatile diesel tachometer w/ an easy installation process for 12V or 24V models.

This universal tachometer can be connected in two steps. First, the signal line is correctly connected to the generator. Second, the VR stick is used to adjust the reading value. Complete the above steps to complete the setup.

Use a manual meter to measure RPM at 2/3 of max rpm for your tachometer.

Adjust VR to read rpm of your tachometer as per the above-measured rpm.

A meter specifically designed for alternators for diesel generators w/ a "W" point that can be corrected for errors using the VR sticks included w/ the product. w/ black and white dials to choose from.