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Old 11-05-21, 11:59
Bruce MacMillan Bruce MacMillan is offline
a Canuck/Brit in Blighty
 
Join Date: Jul 2004
Location: Hell Fire Corner, Kent UK
Posts: 697
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The Proster and the Solar measure two different parameters. The Proster is good for measuring ESR (equivalent series resistance) which basically tells you if the electrolyte in the cap has dried up. The Solar can measure leakage at high voltage levels. Using the power factor you can calculate the esr as well. I would be more concerned with leakage as it can sometimes damage components like that nasty cap in the WS19 that takes out T2.

Still both are good tools to have on the bench. When the repair shop I worked at shut down I aquired a Sencore LC102 which does both.
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