Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

Transform your galvanometer into a fully functional ammeter and voltmeter with this step-by-step guide. Learn practical ...

Abstract: In this paper, thorough analysis along with mathematical derivations of the matched filter for a voltmeter used in electrical impedance tomography systems are presented. The effect of the ...

Your car's cooling system has one job — to keep the engine from cooking itself. But even with fresh coolant and a shiny new radiator, there's a silent killer that could be eating it from the inside ...

Abstract: Mode localization is a phenomenon where small perturbations significantly alter the mode shapes of coupled resonators. This principle enables the development of highly sensitive sensors.

Anritsu Company has added vector network analyser (VNA) and vector voltmeter (VVM) measurements to its industry standard Site Master instruments. The latest iteration of the Anritsu Site Master ...

With the StarTech.com USB-C Power Tester, you can easily look for charging problems in your setup. It’s a quick and easy way to ensure your devices are getting all the power they’re supposed to. I ...

[Martin Lorton] has a vintage Harmon 4200B selective voltmeter that needed repair. He picked it up on eBay, and he knew it wasn’t working, but it was in good condition, especially for the price. He’s ...

When I first thought about making a voltmeter, I wanted something small, easy to carry, and quick to use. I imagined it as a tool I could keep in my toolbox or use as part of a quick diagnostic kit.

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