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Acoustics
This section summarizes the sound power level test suite.
Sound Power Levels
Table 3-25 summarizes the sound power level test suite. Sound power levels are
A-weighted for these tests.
Table 3-25
Sound Power Levels
HP Environmental
tests, Section 767
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Standard
Level
Model 748: 6.22 Bels
Model 748: 5.72 Bels
Equipment Under Test
Conditions, Procedures, and
Measurements
(Acceptance Criteria)
Fan(s) operating at high speed.
Fan(s) operating at low speed.
Quality
Acoustics
3-11
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