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显示单一结果
•六大测试参数:V/A/P/PF/F/Apk •四窗口同时显示 •更宽的频率响应:15Hz-650Hz •采用直接接线方式 •可测试空载功耗 •功率因数、电流、功率的上下限设定,并带有声光报警