Uploaded February 2023 | Updated September 2026, 3 weeks ago

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Sorry this video is a bit rough. Recorded during several days of no power after a storm.
We take look inside a Dranetz 656 Disturbance Waveform Analyzer. It is a device to investigating power quality at industrial / factory settings.
This device is from the mid 80s it was a good system its time.

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