A lot of farmers buy a voltmeter but never gain confidence in how to use it. Here are the basics: Plug the red test lead into the “positive” test port. Plug the black test lead into the ...

Do you have a problem with the 60-year-old gauges in your classic muscle car? After over a half-century of faithful service, they may have finally bitten the dust. But it might be that new high-output ...

A customer recently called to ask questions about the electrical system on his machine. I asked if he had a voltmeter. There was a long pause, then he said, “Yes, but I don’t know how to use it.” He ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

The circuits were designed using two A/D converters to create a voltmeter and ampermeter. The circuits are designed with the combination of CA3161E and CA3162E to imposing a complete 3-digit display ...