Editor's note: If you're like us and can't bear to part with that crusty old (but magnificent) analog meter, David Ashton offers everything you want to know about these gems in this three-part series: ...

Power plants use indicators to monitor process parameters such as pressure, flow, temperature, voltage, current, and vibration. Unless a facility is relatively new, it likely has analog panel meters; ...

Key differences in analog vs. digital features. Applications where each type of multimeter is best suited. Multimeters, from small handheld to more sophisticated benchtop models, are indispensable ...