HP 6621A System DC Power Supply Output1 0 7V 0 10A or 0 20V 0 4A 17640

  For sale is a HP 6621A System DC Power Supply
  Output1: 0-7V/0-10A or 0-20V/0-4A
  Output2: 0-7V/0-10A or 0-20V/0-4A
  It does work.

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