[volt-nuts] What made a HP3458A so expensive

Mark Sims holrum at hotmail.com
Sat Jan 18 12:55:47 EST 2014

One problem with leaving the 3458A on all the time is the vacuum fluorescent display.  These have a rather limited lifetime and leaving them on 24/7 puts a lot of hours on the tube.  Someday those displays will become unobtainium... 		 	   		  

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