🔴 Is This Keithley 261 Picoampere Source Repairable ? - No.1407

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Defpom's Electronics Repair

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Published on September 25, 2025 9:00:42 AM ● Video Link: https://www.youtube.com/watch?v=Q_hh21yJ3Vg

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Keithley 261 Picoampere Source Repair

I refurbish and repair this awesome piece of vintage technology, which is still a useful device even today.

I really appreciate the donations and support I get from my Patreon Supporters and YouTube Members, donations really do help me to make content for the channel and buy broken test gear, this hobby gets expensive !:

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====================
My Electronics Tools (video and purchase links)
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Kaiweets K://defs.link/?u=9af6f63 (discount code: Defpom15)
UNI-T U://defs.link/?u=f3283d7 (discount code: BG45411)
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Pro'skit SS-331 Desoldering Station:    • 🔴  ProsKit SS-331 Desoldering Statss://defs.link/?us://defs.link/?u=12d4s://defs.link/?u=c56527
Heathkit IT-12 Signal Trs://defs.ls://defs.links://defs.link/?u=2bf1dd
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