It's a must-have for any toolbox—but there's a learning curve involved. Learn how to use a multimeter for all of your electrical testing needs.

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage. By Dan Anderson Updated ...

Switch the multimeter to measure resistance at its lowest setting, and test across the fuse. A reading of OL, or significantly higher than 20 ohms, suggests the fuse is blown. Use a Multimeter To ...

Learn How to Use a Multimeter for All Your DIY Electronics Projects. Thorin Klosowski. February 3, 2014 Multimeters are ...

Two basic types of multimeters are in use today — the analog multimeter and the digital multimeter (DMM), as shown in Photo 1. Although the digital version is by far the most used type, the competent ...

The multimeter should now display a reading of 120 volts or slightly above. You've now confirmed that house electrical power (120 volts AC current) is reaching the switch, coming from the wire on ...

These scales determine how much current the multimeter will use during the test. For example, my multimeter has scales for 200 ohms, 2 K ohms, 200 K ohms, 2 M ohms, and 20 M ohms.

Analog vs. Digital Multimeter. You'll want a digital multimeter in most DIY electrical situations. Learning how to use and read a digital multimeter is much simpler than analog.