I began this thread by asking if a rack passed emissions profiling with 1 unit,
is it necessary to fully populate it with (say) 4 units to demonstrate
emissions compliance. I've located the reference I remembered reading...CISPR
11:1997+A1:1999 (of all things!)
Under 6.4.1:
'A system which contains a number of identical equipments, but has been
evaluated using only one of those equipments, does not require further
evaluation if the initial evaluation was satisfactory' followed by a NOTE which
says that emissions from identical modules are not additive.
Any comments?
In practice, I'm inclined to test to the full installation anyway, since I
generally 'learn' so much about the integrated system during compliance
testing...
WmFlanigan
Standards Engineer
Ameritherm Inc
Scottsville, NY
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