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Hi I’m working on my Hickock 600A. The first issue I’m addressing is the line voltage verses plate voltage . When the line vol centered and correct on the
meter the the plate voltage is high. plate vol should be 150v . but reads 202v the line shunt determines the voltages for the tester. Theirs a pot that can
be installed inside the tester that make adjusting this easy. Does anyone have info on this what is the pot value? and where to install in the circuit?.
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Posted : 11/03/2026 3:30 pm