EEVblog #38 2of2 – Seismic Survey Boats & Insulation Resistance Measurement

Dave explains errors and problems associated in insulation resistance measurement through a relay test matrix.
Betcha no one else has covered that one before!

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EEVblog 1719 – 75kWh Home Storage Battery Expansion

Expanding the AERL home storage battery from 25kWh to 75kWh! Also replacing the 5kW Deye …