Keithley 129 Display Repair

2016-12-27 by rincewind

The LCD on my Keithley 129 multimeter (which was the first big investment into my electronics hobby ~1982) has turned black over the years. The original LCD is a custom type with zebra-rubber contacts on one side, for which I could not find a source: The standard 3.5 digit displays are too big to fit[…] Read More…