Dry Coolers
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Dry Coolers Technical Manual 9308503 V2_06_2020
Technical
Sound Overall Frequency (Hz) dB
Measurement dB(A) 63 125 250 500 1000 2000 4000 8000
DR10
Power 75 69 86 75 68 69 65 61 51
Pressure @ 10m 47 41 58 47 40 41 37 33 23
DR12
Power 75 69 86 75 68 69 65 61 51
Pressure @ 10m 47 41 58 47 40 41 37 33 23
DR15
Power 79 80 90 73 74 74 70 64 63
Pressure @ 10m 51 52 62 45 46 46 42 36 35
DR20
Power 83 80 83 82 79 79 73 68 60
Pressure @ 10m 55 52 55 54 51 51 45 40 32
DR25
Power 79 80 90 73 74 74 70 64 63
Pressure @ 10m 51 52 62 45 46 46 42 36 35
DR30
Power 83 80 83 82 79 79 73 68 60
Pressure @ 10m 55 52 55 54 51 51 45 40 32
DR35
Power 82 83 93 76 77 77 73 67 66
Pressure @ 10m 54 55 65 48 49 49 45 39 38
DR45
Power 86 83 86 85 82 82 76 71 63
Pressure @ 10m 58 55 58 57 54 54 48 43 35
DR40
Power 82 83 93 76 77 77 73 67 66
Pressure @ 10m 54 55 65 48 49 49 45 39 38
DR50
Power 86 83 86 85 82 82 76 71 63
Pressure @ 10m 58 55 58 57 54 54 48 43 35
DR55
Power 84 78 93 79 78 80 75 69 68
Pressure @ 10m 56 50 65 51 50 52 47 41 40
DR70
Power 88 85 88 87 84 84 78 73 65
Pressure @ 10m 60 57 60 59 56 56 50 45 37
DR75
Power 84 78 93 79 78 80 75 69 68
Pressure @ 10m 56 50 65 51 50 52 47 41 40
DR95
Power 88 85 88 87 84 84 78 73 65
Pressure @ 10m 60 57 60 59 56 56 50 45 37
Vertical