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.” ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

What type of equipment is best to use for low-voltage test of battery cells? What is an electronic load, and how does it work? How to overcome a major limitation with the low-voltage-discharge test.

Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...

Diesel engine generators are critical for providing backup power in homes, businesses, and industrial settings. A generator’s reliability often hinges on its ability to produce the correct voltage ...

The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...

Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks. Confirm condition, find faults, and keep safe with a multimeter, ...

Regular testing of solid state relays plays a vital role in ensuring the smooth operation and reliability of control systems. By implementing a combination of off-line and on-line testing procedures, ...