Noise measurements are performed in an Anechoic Chamber with less than 16 dBA background noise in compliance with JIS C 9603 standards.
AC Fan 1 m from the side.
![](/en/technology/fanmotor/__icsFiles/afieldfile/2020/10/05/noise_ac_1.gif)
DC Fan 1 m from inlet side.
![](/en/technology/fanmotor/__icsFiles/afieldfile/2020/10/05/noise_dc_1.gif)
Noise measurements are performed in an Anechoic Chamber with less than 16 dBA background noise in compliance with JIS C 9603 standards.