Chinese Standard: GB/T 14255-2015

Household sewing machines head—Method of sound power levels of noise emitted

全国缝制机械标准化技术委员会(SAC/TC 152)

本标准规定了在一个反射平面上方为自由场的声学测试环境下，在一假象的包络家用缝纫机机头的测量表面上测出声压级，经过计算得出声功率级的方法。
本标准适用于家用缝纫机机头噪声声功率级的测试。

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