Normalized Noise Tests
For these tests, I set the fan to speeds with noise output at the following predefined levels: 20/25/30/35/40/45 dBA. I skip the corresponding tests if the fan under the test cannot reach some noise levels. The speeds shown in the graph below are measured with the fan in a clear space inside my hemi-anechoic chamber without any obstacles. I set these speeds on the Longwin machine, but they slightly change due to the variable conditions applied by the device.
All the following performance descriptions are based on the products included in the respective graphs.
20 dBA Noise Output
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- Low speed
- Low to mid airflow
- Low static pressure
- Low power consumption
25 dBA Noise Output
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- Low speed
- Low to mid airflow
- Low static pressure
- Low power consumption
30 dBA Noise Output
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- Low speed
- Low to mid airflow
- Low static pressure
- Low power consumption
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