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.” ...

Q: I have a tenant who complained that a light fixture wouldn’t light. After I replaced the switch, the light still wouldn’t come on. I realized that all the bulbs were out. Anyway, is there a way to ...

Q. I installed a dimmer switch in my dining room and now the chandelier only works half the time. There are two switches in the room that control the light. They worked fine before I started the job.

Keithley Instruments has added a Web-browser-based multichannel graphing toolkit to its Series 3700 System Switch/Multimeter family. The new data-visualization capability, which is included at no ...

Members of the Series 3700 system switch / multimeter family, the Model 3724 dual 1X30 solid-state FET relay multiplexer card offers scanning speeds of ≤ 1,000 channels/s, including measurement, while ...

Maintenance professionals are constantly being deluged with new models, new manufacturers, and new functionality in handheld digital multimeters. Safety features are perhaps the most critical factors ...

How do you know if a resistor is correctly restricting the flow of electricity? Using a multimeter is an obvious answer. However, there is more to it than meets the eye. This article will explain what ...