What is a multimeter anyway? Multimeters are covered in cryptic symbols and buttons, but don't let that intimidate you. There are three basic functions you'll use most often: measuring voltage ...

Do you hear static on your radio when you turn on certain devices in your car? Use a simple digital multimeter to determine the source and repair it.

Testing the DC voltage output of the power supply using a digital multimeter can help you isolate any potential issues and determine if you have a bad power supply.

Volts are the pressure of the water (psi), amps are the number of gallons per minute (volume), and ohms are anything that limit the flow. To measure electrical energy, a multimeter has two wire leads.