I have a couple of older Fluke 8050A and 8600A multimeters that were outfitted with battery options. The batteries are long gone and I never really used them anyway. I would like to use them as bench only meters and reconfigure them to a non-battery type supply. Does anyone have an internal power supply plan that I could use in these meters without drilling holes in the cases and cutting up traces on the circuit boards? Something using capacitors, diodes, etc., that would fit into the battery area and plug directly into the battery connections.
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