While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A digital multimeter is an indispensable tool for testing, diagnosing, and ...

A technician going at an appliance with a multimeter can seem like techno-wizardry, even if they're doing something as boring ...

Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.

Multimeters are absolutely necessary for any type of electrical work. From installing a ceiling fan to changing a junction box, using a multimeter helps determine if wires are hot or not (and so much ...

Multimeters are one of the most fundamental pieces of test equipment in any lab, but they can often do much more than we realize. Let's take a look at the variety of measurements a standard multimeter ...

The reality is that like almost every component under the hood, a car battery has a finite lifespan and will conk out on you eventually. Weather conditions, corrosion, electrical shorts, charging ...