Sound Data

* Note: The temperature rises of the Model 400 are 80°F (27°C), 70°F (21°C),
and 50°F (10°C).
Sound Data
Sound(indBA)forModelsUDAPandUDASatvarious
distances.
Sound(indBA)forModelsUDBPandUDBSatadistance
of15feet(4.6meters).
Size
5 Feet 10 Feet 15 Feet
1.5 meters 3.0 meters 4.6 meters
30 59 47 40
45 59 47 40
60 59 47 40
75 69 55 49
100 N/A 58 54
125 N/A 59 55
150 N/A 55 51
175 N/A 55 52
200 N/A 56 53
225 N/A 59 56
250 N/A 59 56
300 N/A 62 59
350 N/A 64 61
400 N/A 65 62
Blower Speed
Size
30 45 60 75 100 125
Low 57 50 59 60 59 59
Medium 58 53 62 63 63 63
High 60 57 64 64 66 66
Temperature
Rise
Size
150 175 200 225 250 300 350 400 *
75°F(24°C) 51 56 58 61 63 64 65 67
60°F(16°C) 56 59 62 63 66 70 72 71
45°F(7°C) 62 69 71 71 75 76 78 79
µbar = microbar
Pa = Pascal
DISTANCE(FT.)
20 25 30 35 40
Size db Pa µbar db Pa µbar db Pa µbar db Pa µbar db Pa µbar
400 69 0.058 0.580 65 0.037 0.371 62 0.026 0.258 60 0.019 0.189 57 0.015 0.145
800 72 0.080 0.800 68 0.051 0.512 65 0.036 0.356 62 0.026 0.261 60 0.020 0.200
1200 74 0.100 1.000 70 0.064 0.640 67 0.044 0.444 64 0.033 0.327 62 0.025 0.250
SoundforModelLDAPatvariousdistances.
Form RZ-C-UH (Version H) Page 33
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