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PENelson 900 series A-D
Posted: Fri Aug 21, 2009 1:50 pm
by mmorrell
I am trying to find someone that repairs PENelson 970 & 970A interface boxes. I talked to Perkin Elmer repair depot and they no longer work on that series, they are willing to sell me new interface boxes though.
Posted: Tue Aug 25, 2009 11:52 am
by scottythree
I can't help you with fixing them but I have purchased a few of them very cheaply off from Ebay!
Nelson box
Posted: Thu Dec 03, 2009 2:30 pm
by alwelch
The schematics used to be in the manual so I would think you could find a repair shop to fix it. The main module is a VFC voltage to frequency converter. That module may be hard to come by now.