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PENelson 900 series A-D

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PENelson 900 series A-D

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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.

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scottythree
I can't help you with fixing them but I have purchased a few of them very cheaply off from Ebay!

Nelson box

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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.
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