The lab doesn't need to be accredited for SDoC, though the testing laboratory
used is required to maintain a description of the test facility, as required by
Section 2.948(b)
https://www.fcc.gov/testing-laboratory-qualifications
regards
Charlie
Charlie Blackham
Sulis Consultants Ltd
Tel: +44 (0)7946 624317
Web: https://sulisconsultants.com/
Registered in England and Wales, number 05466247
From: Paasche, Dieter
Sent: 28 October 2019 15:53
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Accredited lab for FCC testing
Dear members,
Is it absolutely mandatory to test a product for EMC in an accredited lab under
the suppliers declaration of conformity? If yes, where does it clearly say?
This is what I found so far. It seem to me that it does not necessarily need to
be accredited, but would need to comply with all the accreditation
requirements. The question comes from the "upon request" of the sentence in
section 2.948 (2).
And therefore, I would be OK for the FCC, if I know that the test results of a
non-accredited lab that follows the test site calibration as per standards are
equivalent to an accredited lab. Is that correct?
§15.31 Measurement standards.
(d) Field strength measurements shall be made, to the extent possible, on an
open area test site. Test sites other than open area test sites may be employed
if they are properly calibrated so that the measurement results correspond to
what would be obtained from an open area test site.
§2.948 Measurement facilities.
(b) A laboratory that makes measurements of equipment subject to an equipment
authorization under the certification procedure or Supplier's Declaration of
Conformity shall compile a description of the measurement facilities employed.
(1) The description of the measurement facilities shall contain the following
information:
(i) Location of the test site.
(ii) Physical description of the test site accompanied by photographs that
clearly show the details of the test site.
(iii) A drawing showing the dimensions of the site, physical layout of all
supporting structures, and all structures within 5 times the distance between
the measuring antenna and the device being measured.
(iv) Description of structures used to support the device being measured and
the test instrumentation.
(v) List of measuring equipment used.
(vi) Information concerning the calibration of the measuring equipment, i.e.,
the date the equipment was last calibrated and how often the equipment is
calibrated.
(vii) For a measurement facility that will be used for testing radiated
emissions, a plot of site attenuation data taken pursuant to paragraph (d) of
this section.
(2) The description of the measurement facilities shall be provided to a
laboratory accreditation body upon request.
Sincerely,
Dieter Paasche
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