[Test-Equipment] RE: HP 410 vs HP 412/A

[Bob Kulow]

The 412A uses an optical chopper with 4 #12 (I think) bi-pin lamps.  I've
had to replace some of them in my unit over time.  Other than that, it's a
fine VTVM.  Calibration has been bang on for many years without touching
anything.

73
Bob WA2UEH

From: "Orrin Bentz" <minmar at 2z.net>
To: <test-equipment at mailman.qth.net>

> Hello all.
>
> I have seen lots of praise for the HP 410 over the last few months on
> this list
> and on other lists. Are there any opinions on this VTVM versus the HP
> 412/A?
> I have the 412 and am in the process of restoring it. Are there any
> specific things
> I should know about this gear other than replacing those 3 ugly Black
> Beauties?
>
> Regards
>
> Orrin Bentz



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