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: [ Ссылка ]
This model meter was cancelled from use in 2012: [ Ссылка ]

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