While only 12 of the 203 reviews award the MM420 fewer than 4 stars, there are some issues worth noting. The most common reported user issues include difficulty reading the screen in brightly lit ...

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.” ...

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 ...