So we can make fun of 1980s fashions, both sartorially and in test equipment, but what’s the real benefit of a digital meter? It lies in the internal resistance. When you hook a moving-coil ...

Retry the test after the engine has cooled down. The post How To Test Your Car’s Coolant With a Multimeter appeared first on Family Handyman.

Here’s how to use a multimeter, a tool that measures electrical values, to test for voltage. It doesn’t matter if it’s a $30 discount store special or a $1,000 Snap-on multimeter with 25 ...

A staple of the radio amateur’s arsenal of test equipment in previous decades was the dip meter. This was a variable frequency oscillator whose coil would be placed near the circuit to be tested ...