I tested 3 simple energy-monitoring tools to find my home's biggest power drains
Briefly

I tested 3 simple energy-monitoring tools to find my home's biggest power drains
"Not a week goes by without someone asking me about my testing process, and I get asked a lot about the tools and gadgets I use to test power consumption. I'm always happy to talk tools, but I'm always clear that the tools I use might not be the best for home users. Also: These unassuming devices promised to lower my electricity bills - only this one was legit"
"The display is nice and clear, making it easy to read even under bright sunlight. I've connected hundreds of devices to this, from tiny chargers to huge power stations, and it's performed flawlessly. It's a great meter, but it's pretty rough and ready, and rather industrial, and there's no way to connect it to any logging apps. But for about $75, The a good buy for anyone needing to test a lot of equipment."
Power meters are portable gadgets that measure power consumption of mains-powered items. The ATX 9801 serves as a robust, reliable workhorse for testing a wide range of devices. It plugs into a mains outlet, provides a universal front socket, and displays power consumption, current, power factor, annual kWh, voltage, and input frequency. The display remains readable in bright sunlight. The device has tested tiny chargers up to huge power stations and performs flawlessly. The unit is industrial and lacks connectivity for logging, but costs about $75, making it a solid choice for heavy testers.
Read at ZDNET
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