The AutomationDirect lineup of tools and test equipment now includes digital multimeters, clamp-on True RMS multimeters, voltage testers, and continuity testers from Southwire. Southwire digital ...

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

The RMS value of a time dependent voltage or current is based on the simple concept of equality of power dissipation; however, its theoretical calculation or instrument implementation may not be easy.

If you’re planning on messing around with your cars, a multimeter is a necessity. Many of the vehicle’s vital systems depend on electricity, such as your ignition, fuel, and charging networks. Buying ...