Powertrain ISO3745 1m noise test

Load dynamometer:

Speed: 3700rpm

Torque: 3100Nm

Power: 330kW

Power Supply:

500kW,1200V,1200A

Anechoic room:

In accordance with ISO37451 

class standards

Background noise <=25 dB(A)

Internal dimensions: 

6800X6400 x 4100mm

Cut-off frequency: 50Hz