Graham,
Are the resistors you speak of truly NIST-traceable? I have never found
any that truly were NIST traceable. Many were precision resistors, or
might have been "certified" by the supplier, but it stopped short of the
link to NIST.
What I have done is to get some of the high value precision resistors from
K&M Electronics in Massachusetts, load them onto a test board, have our
metrology people determine the values using NIST traceable or NIST
calibrated instruments, and use that as my standard. That way, I give them
the card each year and not my equipment. I will send a picture of one
such board to Steve Gregory to show what I am talking about.
Doug Pauls
Graham Naisbitt
<Graham.Naisbitt@
CONCOAT.CO.UK> To
Sent by: TechNet [log in to unmask]
<[log in to unmask]> cc
Subject
05/04/2005 08:58 Re: [TN] Calibration of SIR
AM equipment
Please respond to
TechNet E-Mail
Forum
<[log in to unmask]>
; Please respond
to
Graham Naisbitt
<Graham.Naisbitt@
CONCOAT.CO.UK>
Hi Bev - risen again?
We can supply the resistors and we shall get you a quote organised.
--
Regards Graham Naisbitt
[log in to unmask]
Golf quote of the week: I don't trust doctors. They are like golfers. Every
one has a different answer to your problem.
CONCOAT - Engineering Reliability in Electronics
CONCOAT SYSTEMS - Measuring Reliability in Electronics
A British Manufacturer
www.concoat.co.uk & www.concoatsystems.com
Cell: 079 6858 2121
Office: +44 (0)1252 813706
On 4/5/05 1:51 pm, "Bev Christian" <[log in to unmask]> wrote:
> TechNetters,
> Back from the dead!
>
> Do any of you know where I can get SIR equipment calibrated?
>
> I have six SIRometers and Cookson/Speciality Coating Systems no longer
> support them! I also have one set of equipment built up from several
> pieces of individual Keithley equipment.
>
> Also, does anyone know where I can buy a set of NIST-traceable high
> value resistors (E6 - E12)?
> Thanks.
>
> Bev Christian
> Research In Motion
> 519-888-7465 x 2468
>
>
>
>
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