OS. series
Sound power and sound pressure levels according to application range
The measurements were taken with the refrigerant R717 (ammonia), the motor was acoustically separated from the compressor with insulating mats.
The calculated sound pressure level refers to free field conditions with hemispherical sound propagation at a distance of 1 m.
The tolerance for all specifications is +/- 2 dB(A).
For the measured quantities and their units: Introduction
Compressor | Sound power level in dB(A) | Sound pressure level in dB(A) | ||||
|---|---|---|---|---|---|---|
Air conditioning | Medium temperature | Low temperature | Air conditioning | Medium temperature | Low temperature | |
OSKA9593 | 89.0 | 89.2 | 87.1 | 81.0 | 81.2 | 79.1 |
OSKA9593 | 94.2 | 95.0 | 92.6 | 86.2 | 87.0 | 84.6 |
Sound power levels (one-third octave band) and sound pressure levels
|
| Sound power level in dB(A) at different frequencies (one-third octave band) | Sound pressure level in dB(A) | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
25 Hz | 31.5 Hz | 40 Hz | 50 Hz | 63 Hz | 80 Hz | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz | 6300 Hz | 8000 Hz | 10000 Hz | |||
OSKA8571 | +5/+50 | 34.5 | 37.9 | 40.6 | 34.1 | 43.7 | 47.6 | 38.3 | 29.4 | 56.0 | 57.2 | 70.4 | 71.7 | 70.0 | 74.8 | 74.6 | 82.0 | 83.1 | 78.3 | 75.4 | 71.9 | 72.1 | 70.5 | 66.7 | 61.3 | 61.1 | 59.3 | 57.6 | 79.9 |
-10/+45 | 34.1 | 38.6 | 38.6 | 43.8 | 38.8 | 46.6 | 42.1 | 47.5 | 58.0 | 59.5 | 73.5 | 69.6 | 70.1 | 76.5 | 73.7 | 82.3 | 80.8 | 75.6 | 73.7 | 71.4 | 69.9 | 68.1 | 63.3 | 60.0 | 59.2 | 57.6 | 56.7 | 79.0 | |
-20/+39 | 35.2 | 39.3 | 42.3 | 39.6 | 44.5 | 43.8 | 44.6 | 37.7 | 57.1 | 60.7 | 78.7 | 68.0 | 71.4 | 77.4 | 73.0 | 81.2 | 79.3 | 72.6 | 72.5 | 69.8 | 67.4 | 68.1 | 64.1 | 59.9 | 59.2 | 58.0 | 57.6 | 78.6 | |
OSKA8571 | +5/+50 | 36.0 | 39.4 | 44.0 | 46.5 | 44.3 | 50.8 | 49.7 | 46.9 | 59.2 | 64.6 | 66.8 | 69.5 | 73.2 | 73.1 | 81.3 | 89.1 | 90.1 | 80.7 | 80.6 | 76.7 | 74.3 | 72.4 | 69.5 | 64.8 | 64.6 | 62.6 | 61.0 | 85.7 |
-10/+45 | 37.2 | 42.0 | 44.6 | 40.4 | 47.5 | 49.0 | 44.4 | 51.5 | 56.4 | 63.1 | 68.0 | 76.4 | 74.4 | 76.2 | 84.2 | 87.3 | 88.2 | 80.3 | 79.2 | 76.6 | 73.4 | 71.7 | 68.8 | 64.6 | 62.4 | 60.9 | 59.8 | 84.7 | |
-20/+39 | 38.2 | 40.7 | 43.6 | 46.1 | 45.7 | 51.7 | 43.4 | 50.3 | 58.4 | 63.3 | 71.0 | 78.5 | 76.2 | 79.3 | 86.6 | 83.8 | 84.0 | 85.5 | 81.6 | 77.8 | 73.8 | 72.9 | 70.1 | 64.7 | 63.3 | 61.3 | 60.2 | 84.5 | |
OSKA9593 | +5/+50 | 11.5 | 7.3 | 30.6 | 22.6 | 42.2 | 47.0 | 52.5 | 56.2 | 61.4 | 77.5 | 66.8 | 72.2 | 77.2 | 71.6 | 83.0 | 82.8 | 78.7 | 78.9 | 75.1 | 74.0 | 69.6 | 74.6 | 57.9 | 55.3 | 54.9 | 60.5 | 59.1 | 81.0 |
-10/+45 | 16.9 | 23.0 | 27.3 | 33.6 | 38.8 | 64.3 | 52.8 | 56.3 | 61.4 | 75.2 | 66.6 | 73.0 | 75.1 | 77.4 | 83.9 | 80.9 | 78.6 | 79.2 | 76.5 | 74.8 | 74.1 | 76.1 | 65.9 | 64.0 | 60.9 | 58.0 | 55.7 | 81.2 | |
-35/+40 | 18.3 | 27.7 | 13.4 | 39.5 | 39.2 | 40.6 | 53.0 | 56.8 | 61.4 | 76.1 | 66.9 | 73.0 | 77.9 | 71.4 | 79.9 | 76.8 | 77.8 | 75.8 | 75.5 | 73.0 | 73.2 | 76.3 | 66.1 | 63.1 | 61.7 | 58.2 | 57.6 | 79.1 | |
OSKA9593 | +5/+50 | 24.8 | 35.7 | 36.2 | 37.7 | 50.4 | 49.4 | 53.1 | 60.0 | 63.5 | 65.0 | 71.3 | 73.7 | 75.5 | 83.8 | 86.2 | 91.7 | 79.9 | 81.0 | 78.4 | 75.9 | 69.3 | 75.7 | 61.8 | 57.7 | 54.6 | 66.1 | 61.9 | 86.2 |
-10/+45 | 27.6 | 31.0 | 35.5 | 33.3 | 49.4 | 49.1 | 53.0 | 59.2 | 63.7 | 66.1 | 77.9 | 73.8 | 75.2 | 84.6 | 86.7 | 92.5 | 81.4 | 79.3 | 78.8 | 76.0 | 77.0 | 78.8 | 68.6 | 64.8 | 62.7 | 64.9 | 60.4 | 87.0 | |
-35/+40 | 23.8 | 27.1 | 35.8 | 34.8 | 47.4 | 49.3 | 53.0 | 59.8 | 64.2 | 66.5 | 78.8 | 74.0 | 75.2 | 85.1 | 82.3 | 87.7 | 83.8 | 80.8 | 79.2 | 75.5 | 76.1 | 78.6 | 69.4 | 67.5 | 65.1 | 67.2 | 63.0 | 84.6 | |