Equus 3022 Tester Manual Full ((install)) Jun 2026

: Utilize the built-in test lead holder to prevent damage to the probes when not in use.

Measures engine speed, often using an inductive pickup that clamps around a spark plug wire. equus 3022 tester manual full

The original manual includes a maintenance schedule. : Utilize the built-in test lead holder to

Never exceed the voltage limits marked on the instrument and avoid switching functions while the leads are connected to a live circuit. equus 3022 tester manual full

“The needle pegs hard when testing volts.” Solution (from manual, p. 4): You may have the knob on “Dwell” instead of “Volts.” This sends the wrong internal resistance. Turn off engine immediately.

: Essential for older vehicles with point-type ignition systems to ensure correct ignition timing. RPM (Tachometer) : Uses the Inductive Pickup