HVAC Series Testing Equipment
1、standard of execution
GB/T 6882-2016《Acoustics--Determination of sound power levels of noise sources using pressure--Precision methods for anechoic and hemi-anechoic rooms》
GB/T 19232-2003《Fan-coil unit》
2、Test project
Noise test.
3、Main technical parameters
1)Tested object: fan coil unit;
2)Anechoic chamber type: semi-anechoic chamber;
3)Cut-off frequency: 125Hz;
4)Background noise: ≤20dB (excluding solid sound);
5)Measurement items: sound pressure level measurement;
6)Maximum tested unit: hoisting: 2300×2000×350mm;
7)Floor mounting: 2300×500×1300mm;
8)Required room size: 8.5× 8.5× 5m.