Heathkit IM-5228 Manual
Heathkit IM-5228 Manual

Heathkit IM-5228 Manual

Vacuum tube voltmeter

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Summary of Contents for Heathkit IM-5228

  • Page 8 NOTE: Assembly instruction, pages 7 through 19 of the original manual, have been left out. The VTVM uses a 1.5v “C” size battery for to measure resistance. The battery is inside the VTVM case and twelve screws need to be removed in order to access it. If the battery is left in the unit for a long period of time, the battery can discharge and then leak corrosive liquid inside the VTVM.

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