What is Reddit's opinion of KETOTEK Digital Electric Multimeter AC 80-300V 100A Voltage Meter Ampere Meter Active Power Meter Power Factor Meter Electric Energy Meter 5 in 1 for Monitoring Electricity?

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sure - It's a simple power adapter i bought off amazon. Below is the link. It shows kWh's, total watt usage, and (I think, I don't use this) total kwhs. Basically like a kill-a-watt but works on a 30 amp circuit. I mounted an old outdoor cable/phone box I had laying around to install. Install was pretty simple, has a slot for 2 small wires and a o-ring you slide onto your main power cable (I have a 3000 watt APC UPS, so I pulled the shield back on it to expose the internal wires, then elec-taped it back up after.. It cannot be around the entire cable, it needs the main line). I linked below a picture of how it looks internally.

Monitor: https://www.amazon.com/gp/product/B072XBHJMB/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Pic: https://imgur.com/a/uL3xJDg

I was really shocked to learn I was only pulling 700 watts with 3 servers (NAS, DL380 and a DL360, all vmware with vm's running)

Let me know if you need anything else!