Category Archives: Repair

Repair of malfunctioning equipment

Beckman Industrial HD110 Multimeter

Posted on December 16, 2012 by modemhead

This 3½-digit 2000 count manual-ranging heavy-duty multimeter is an interesting example of mid-80s technology.  With an impressive safety-yellow thick sturdy o-ring and gasket-sealed case, it looks like it could survive a drop test with the only damages being to the … Continue reading →

Posted in Repair, Teardown | Tagged , | 96 Comments

Fluke 83 DMM Repair

Posted on December 9, 2012 by modemhead

The Fluke 83 Multimeter is part of the 80-series that was introduced in the very late 80s.  This unit is the lowest model in the line-up and has a basic DC accuracy of 0.3%.  It does not have an RMS … Continue reading →

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Fluke 8060A Repair

Posted on December 3, 2012 by modemhead

[Updated June 2013, see end of article.] [Also see: newer article on IBM 8060A/AA Refurb] The Fluke 8060A is another early-80s vintage handheld DMM.  With a 4½ digit  20,000-count display, RMS-responding AC bandwidth to 100kHz, and direct readout in dB, … Continue reading →

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Tektronix 465 Oscilloscope Repair and Restoration

Posted on November 30, 2012 by modemhead

After buying and refurbishing some older Fluke DMMs for use on my workbench during the past couple years, I recently decided to try something a little more complicated. So I found a crusty old “parts or repair” Tektronix 465 on … Continue reading →

Posted in Repair | Tagged , | 12 Comments