NACE Automechanika

Inductive current probes have been around for years, even the venerable VAT40 charging/starting systems tester had one! Current probes use induction and “clamp” around a wire which gives us a non-intrusive method of viewing current flow in a circuit. These tools are not just for checking starting and charging system anymore. Coupling these tools with the modern DSO, or lab scope, they are incredibly powerful diagnostic instruments!  

Current probes can be used for checking engine mechanical integrity, ignition and injection system operation, active wheel speed sensors, shorted engine sensors, parasitic draws and even for network diagnostics. Current probe tooling options and techniques will be discussed in this class. Case studies will support some interesting approaches to some unique diagnostic dilemmas. One is only limited by ones’ imagination and creativity when it comes to this affordable and often underappreciated tool.

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