On 7/27/2015 10:26 PM, Mike S wrote:
On 7/27/2015 7:54 PM, Bill Gold wrote:
You will observe that the HP/Agilent/Keysight manual for the 3458A
does not give any zero stability specs, at least that I can find.
On DC 100 mV range, the standard model is spec'd for 14+3 ppm of range @
2 years
On 1/28/2015 9:00 AM, J. L. Trantham wrote:
In the days of 3D printers and CAD/CAM, it might be possible to have
a 'run' of these 'made to order', so to speak.
I'd think a couple of pieces of pink (non-conductive) closed cell
antistatic foam, one hollowed out a bit with a penknife, would work
On 10/8/2014 4:23 AM, acb...@gmx.de wrote:
the EPROMs are in sockets, no soldering needed.
but again, buying a precision instrument but reprogramming cal data that is
years old does not make any sense.
unless of course if you are just a collector and do not use its accuracy.
It makes perfect
On 9/10/2014 7:00 PM, Tony wrote:
I've just noticed that TI and Linear's specs for 'Long Term Stability'
(typical) are different. TI state 20ppm/1000Hr while Linear state
8ppm/SQRT(kHr). That's a big difference - is this likely to be a real
difference or just specmanship?
I note that Linear
On 8/29/2014 2:16 PM, Tom Miller wrote:
Did you remove the two holes?
:)
You mean the two pin 1 markers on the silkscreen?
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On 8/25/2014 11:02 AM, Don@True-Cal wrote:
Silver or Gold plating on the terminal or wire will introduce the
undesirable dissimilar metal properties, both at the plating
junction and at the plating metal to DUT terminal.
Why?
Any Seebeck effect is immediately offset in the opposite
On 2/26/2014 6:53 PM, J. L. Trantham wrote:
Oh!! THAT's what they mean by 'male' and 'female'. I get it! :^))
You jest, but it's not always clear. Take the common Cannon D-sub
connectors. A connector with male contacts will have have a female
shield, making gender ambiguous. That's
On 8/12/2013 2:23 PM, John Phillips wrote:
A calibration indicates that the unit under test is withing manufactures
specification. The equipment and procedure used has to be good enough
(bad words in a cal lab) to have a high probability (nothing is 100%) of
insuring the calibration
