I ordered this unit to measure the power drawn by my computer tower to determine the minimum UPS power I would need to meet my power needs. This device gave me the information I needed to make an informed decision. The controls are easy to use and the screen is easy to read, but note that the cord is very short so you may need an extension cord. Also, there are only 2 electrical connections, but 2 is enough for me. Still, this is an excellent device.
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