Chinese Standard: GB/T 4997-2008

General specification for permanent magnet low speed direct current tachogenerator

全国微电机标准化技术委员会(SAC/TC 2)

本标准规定了永磁式低速直流测速发电机的型号和机座号、运行条件、技术要求和试验方法、试验条件、检验规则及交付准备。
本标准适用于永磁式低速直流测速发电机。
本标准应与永磁式低速直流测速发电机（以下简称电机）产品专用技术条件一起使用。

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