... , Jichai etc brand generator set, and silent/low noise/spound-proof, mobile/ trailer generators. We pass CE ... idle load, fully load and 10% overload.- Noise level shall be tested.- All of the meters ... and airflow science are adopted, thus casuing its noise reduced to 68-75dB (An average value ... the places, where there are high requirments for the noise, such as hospital, residential quarters and office ...