Electronics > Metrology

USA Cal Club Round 3

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RandallMcRee:

--- Quote from: RandallMcRee on September 01, 2023, 06:13:10 pm ---Hello all,

Unfortunately, the unthinkable has happened!
The FX reference sustained some damage. :-BROKE

Although minor, the fix requires de-certification.  Therefore, it will be a month or so whilst Illya graciously performs surgery and re-certifies.

Thanks Illya (bow) :clap:

Randall
Your bearer of bad news!

--- End quote ---

Some updates on the FX reference. Also Ilya has characterized the 1k/10k and PX reference for our future reference.

rhb:
FWIW the transfer of heat from the device to the atmosphere depends upon the specific heat of the air which is a function of water vapor, barometric pressure and temperature.  Backing out correlated noise is easy.

Reg

alm:

--- Quote from: rhb on October 06, 2023, 08:56:21 pm ---FWIW the transfer of heat from the device to the atmosphere depends upon the specific heat of the air which is a function of water vapor, barometric pressure and temperature.  Backing out correlated noise is easy.

--- End quote ---
What role do you think heat transfer plays in this data? I'd argue if it plays any role at all, the temperature sweep is too fast, and I trust the sweep to have been done sufficiently slowly so the system is very close to steady state at any point.

RandallMcRee:

FX reference is back in play...we apologize for the delay.

Sending on to bdunham7 soonish.

Thanks,
Randall

bdunham7:
FX received in good shape.  First step is to make sure everything sort of works.  Here's the first hour of logging on a Fluke 8846A.  I guess it's at least nominally functional.

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