EEVblog 1446 - Analog Watt Hour Meters are AMAZING!

Analog Watt Hour energy meters are fascinating! How they work, teardown, and experiments. Thanks to Max Button for sending this in to the mailbag. 00:00 - Watt Hour Energy Meters 02:11 - Teardown 05:13 - What’s to stop it taking off? 06:40 - Does it work? Testing with a load. 07:24 - Can you get free electicity with a neodymium magnet? 08:14 - Timelapse of no load creepage 08:49 - Anti creep holes 10:45 - When this baby hits 88 MPH you’re gonna see some serious spin! 11:38 - Inside the voltage and current coils and how they work 14:39 - DaveCAD magnetic flux vector edition 19:06 - Theory of Operation 24:00 - Design Bonus - Jewel bearings 25:07 - Design Bonus - Magnetic temperature compensation 26:58 - Design Bonus - Full load compensation 27:40 - Design Bonus - Dimples This is how serious they take their metering: This model meter was cancelled from use in 2012: Forum: !/ Subscribe on Odysee: @eevblog:7 EEVblog Web Site: The 2nd EEVblog Channel: EEVdiscover: Support the EEVblog through Patreon! AliExpress Affiliate: Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! T-Shirts: #ElectronicsCreators #Teardown Теги: eevblog,video,teardown,watt hour meter,watt hour meter hack,watt hour meter working principle,watt hour meter explained,kwh meter,how it works,watt hours,power measurement,true power,metrology,legal metrology,Jewel bearings,magnetic flux explained,magnetic flux,neodymium magnet,magnet hack,magnet hacks free energy,magnet hacks,watt hour energy meter,household energy meter,home energy meter,theory of operation,working principle