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.

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.” ...

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 ...

Powered by a 9V battery or an optional ac wall adapter, the Model 881 handheld tester can be used to measure the equivalent series resistance (ESR) of electrolytic capacitors in or out of circuit. The ...

Northeast Power Systems, Inc. metal-enclosed capacitor banks are designed for industrial, commercial, and utility power systems requiring medium-voltage automatic power factor correction. Oct. 16, ...