[KongchangAI]
Unverified85% confidenceSolutionTime unknown

确认电工/家电维修需求后的选购路径:先按测量对象定安全等级(市电→CAT III)→按信号类型定是否需True RMS→按精度需求定位数→最后看温度/电容等附加功能→检查是否含保险丝保护和过载保护

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