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Sound Pressure Levels (SPL) in dB RE 0.0002 Microbar <br /> Sound Power Levels (PWL) in dB RE 10-12 Watt <br /> MODEL ATWB 4-5G12 <br /> MOTOR 5.00 HP <br /> # MOTORS 2 <br /> SPEED: Full Speed <br /> 1 CELL DATA <br /> SOUND PRESSURE LEVEL (dB) <br /> End Motor Side Opp End Opp Mtr. Side Top SOUND <br /> 5 f 50 ft 5 f 50 ft 5 f 50 ft 5 f 50 ft 5 f 50 ft POWER <br /> BAND (1.5m) (15.2m (1.5m) (15.2m (1.5m) (15.2m (1.5m) (15.2m (1.5m) (15.2m LEVEL (dB) <br /> 63 HZ 86 76 88 77 86 76 88 77 84 76 108 <br /> 125 HZ 87 80 90 81 87 80 89 81 93 82 113 <br /> 250 HZ 82 73 84 74 82 73 83 74 87 76 106 <br /> 500 HZ 79 67 84 68 79 67 83 68 87 73 101 <br /> 1 KHZ 73 63 79 65 73 63 78 65 81 66 96 <br /> 2 KHZ 69 59 73 61 69 59 73 61 76 63 93 <br /> 4 KHZ 64 55 70 57 64 55 70 57 70 62 90 <br /> 8 KHZ 59 48 69 52 59 48 69 52 63 53 83 <br /> CALC 80 70 85 72 80 70 84 72 87 74 104 <br /> dBA <br /> Sound option(s)selected: None <br /> REMARKS: 1. Sound Pressure Levels are according to CTI Standard ATC-128 <br /> 2. Sound Power Levels are calculated according to the Small Units Section 8 <br /> 3. Sound from free-field conditions over a reflecting plane with +/-2 db(A)tolerance <br /> 4. Noise levels can increase with variable frequency drives depending on the drive <br /> manufacturer and the drive configuration <br /> 5. Complete unit sound data with all fans operating <br />