----------
> From: grdulmage <[email protected]>
> To: UMBDENSTOCK, DON <[email protected]>
> Subject: Re: Calibration, Certification, ISO Guide 25
> Date: October 28, 1997 17:19 PM
>
> NIST/NVLAP and NCSL are some good sources to get this information from.
> NIST(US Department of Commerce, National Institute of Standards and
> Technology) accredits such facilities and also publishes a directory(NIST
> Special Publication 810, 1997). Their phone number is 301-975-4016,
> Fax number 301-926-2884, E-mail [email protected] and their
> web site is http://ts.nist.gov/nvlap.
>
> NCSL stands for the National Conference of Standards Laboratories.
> They have a large membership and an excellent set of very specific
> publications on calibration and laboratory issues. They also have
> a directory of Standards Laboratories which costs $ 100.00US for
> non-members or $ 25.00US for members. You can contact the
> NCSL publications office at 303-440-3339. Their fax number is
> 303-440-3384.
>
> You can also get the same and other information from the Standards
> Council of Canada via their standards information gateway. Its URL
> is http://www.scc.ca
>
> I hope this helps out.
>
> Regards
>
> G. Rae Dulmage
> Certelecom
> ----------
> > From: UMBDENSTOCK, DON <[email protected]>
> > To: 'EMC-PSTC Discussion Group' <[email protected]>
> > Subject: Calibration, Certification, ISO Guide 25
> > Date: October 28, 1997 11:57 AM
> >
> > An MOU has been signed starting the process toward mutual acceptance of
> > test reports between the US and Europe. Indications are that labs will
> > be required to be certified to Guide 25 or equivalent. Part of the
> > requirement for Guide 25 is to specify the uncertainty of the test
> > results which goes back to include the uncertainty of the calibration
of
> > the equipment used.
> >
> > Does anyone know of a list of cal labs that calibrate EMC equipment (
> > spectrum analyzers, antennas, LISNs, EFT generators, ESD simulators,
> > etc.) that includes uncertainty factors, with traceability directly to
> > national standards? (Seems like third or fourth layer traceability
would
> > create unnecessarily large uncertainty factors). In addition to
> > uncertainty, data in the "as found, as left" format is also desirable
to
> > better manage the uncertainty factors.
> >
> > Anyone wish to comment on the above? I am interested in your
> > experiences in this area.
> >
> > Don Umbdenstock
> > Sensormatic Electronics Corporation
