Austin, Tex. — National Instruments (NI) has released the NI USB-5132/5133 digitizers and the NI USB-4065 6½-digit digital multimeter (DMM). These small, lightweight instruments feature bus-powered ...

Portable meters have been in use for over 100 years. Unlike many of today's digital multimeters that can measure ac and dc volts, resistance, current, capacitance, temperature, and more in a single, ...

The AZZO EnergyX Portable is a cloud-connected portable meter and software platform that provides insight into both power quality and energy performance on any site. Featuring secure, built-in ...

So a few months ago, I stumbled upon a thing at Adafruit.com called a "Charger Doctor" which was really just a Multimeter designed to slip inline with your USB cable. It was $7.50 and I liked it.