Didier
I would agree generally with your remarks ref. the 34578A and the 3456A, I
have both, but more recently I have acquired a Keithley 2015 which I guess
is more in keeping with the 3478A, but with a fluorescent display, this is a
very nice instrument to use, and is currently being sold in considerable
numbers having been used by the 'mobile 'phone industry for its distortion
measuring ability, the one I have was cal'd in 2009 - - I would be
interested to hear from any other users.
regards
Roy P
-----Original Message-----
From: Didier Juges
Sent: Sunday, August 11, 2013 2:52 AM
To: Discussion of precise voltage measurement
Subject: Re: [volt-nuts] Fluke 510A
That is not completely true. The HP3456A has a full scale of 1,100,000
compared to the HP3478A's 300,000
Not quite an order of magnitude.
I have both and while the display is not always visible, particularly in dim
light, I like the smaller size and quiet operation of the HP3478A compared
to the HP3456A. When the better specs (on paper) of the HP3456A are not
absolutely needed, the HP3478A is a fine bench meter.
Didier KO4BB
"Marv @ Home" <[email protected]> wrote:
A 6.5 or better will find a good home and be appreciated in your lab,
Joe. Many orphans need homes always appear on eBay, particularly the
top line of its day HPs: 3455a, 3456a, and 3457a.
There is a lot of discussion on the pros and cons of each throughout
the archives, but any will be an order of magnitude better than the 5.5
digit.
At 02:33 PM 8/10/2013, Joseph Gray wrote:
Oops. It was getting late and I guess my fingers typed the wrong digit
:-).
Yes, I was thinking about getting a better DMM.
Joe Gray
W5JG
Sincerely,
Marv
Philadelphia, PA
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Sent from my Motorola Droid Razr 4G LTE wireless tracker while I do other
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