A multimeter is a helpful tool for advanced electrical projects. But multimeter symbols and their meanings can be cryptic to ...

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.” ...

Here's how to test for a bad diode with nothing more than a decent digital multimeter. 1. Set the meter to read "AC VOLTS" (lowest range). 2. Connect the black "COM" lead probe tip to the battery ...