Tag Archives: 80-series

Fluke 80-series Jack Assembly Rebuild

There seems to be a trend in Fluke repairs here lately.  Other than your occasional fusible resistor, the problems seem to be related to materials instead of electronic bits.  Cracked and broken plastic, and metal fatigue.  Are these design problems, … Continue reading

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Fluke 80-series Faded LCD Segments

This is probably the single most common problem with older Fluke DMMs such as the 83, 85, 87, and 88 models.  Referred to as “faded digits”, “faded segments” or “fading display”, it happens when the connections between the printed circuit … Continue reading

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Fluke 87 Fusible Resistor

Properly-designed multimeters that are suitable for professional and trade use have a number of components, usually near their input jacks, that are for the sole purpose of protecting both the user and (secondarily) the multimeter itself from over-voltage and over-current … Continue reading

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Fluke Banana Jack Repair

Ever bought a set of those cheap Chinese-made multimeter probes?  They probably had some little plastic inserts in the banana plugs.  For what reason I’m not sure, maybe to keep the safety shroud around the plug from deforming.  Don’t toss … Continue reading

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Fluke 83-III Rotary Switch

It’s a fact that you can repair as many multimeters with a bottle of isopropyl alcohol and some Q-tips (cotton buds), as you can with a soldering iron.  In many cases, malfunctions can be fixed by careful disassembly and cleaning … Continue reading

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Fluke 83 DMM Repair

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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