[volt-nuts] HP 3478A - Value? Quirks? Opinion?
brooke at pacific.net
Fri Dec 31 19:06:26 UTC 2010
I used the 3478 some decades ago when it was a current instrument and
was very disappointed in that the resolution was in some cases one or
two digits better than the accuracy. Check the specs for the
measurement you plan to make.
> Looking for opinions on the HP 3478A multimeter. I see them listed in
> the 100-200 U.S. dollar range for items in good shape, and right now a
> calibrated one for $170. I like to stick to HP/Tek/Fluke so I can
> easily find broken units for a good price to get parts from and
> manuals are easier to get.
> For my purposes (hobby and experimenting) it has more than enough
> digits and speed. I like the high resistance on the low DC volt
> ranges. It's not my only meter. I have two Flukes from the 80's and
> a basic Tektronix plug-in.
> What is the minimum I can get away with to prove/calibrate the DC volt
> Thanks in advance.
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