Changchun, 16 May, 2009 - Sonus successfully assisted Changchun Dimei Optics and Electronics in the development of a low-noise medical smoke evacuator. The noise emission was reduced from 78dB to below 60dB measured at 1 meter from the inlet, through the analysis of the product structure and noise transfer path, and the subsequent modifications on its structure and sound-proof material. All acoustic tests and development in this project were conducted in the Sonus laboratories in Changchun.




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