亚洲AV无码乱码国产精品品麻豆_japan高清日本乱xxxxx_宝贝腿开大点我添添公口述视频_红色AV社区

GC5516Y型异频(pin)地(di)(di)网(wang)接(jie)地(di)(di)阻抗测(ce)试仪生产厂家是变(bian)电(dian)(dian)(dian)站(zhan)等各(ge)种现(xian)场(chang)应用(yong)于对接(jie)地(di)(di)电(dian)(dian)(dian)阻及相关参(can)数(shu)测(ce)试的(de)(de)高(gao)精度测(ce)试仪器(qi)。该仪器(qi)具有体积小、重量(liang)轻、携带方便(bian)、抗干(gan)扰(rao)(rao)性能强(qiang)、准确(que)度高(gao)等特点。仪器(qi)为一体化结构，内置变(bian)频(pin)电(dian)(dian)(dian)源模块，输出电(dian)(dian)(dian)源连续变(bian)频(pin)可调。频(pin)率可变(bian)为45Hz或(huo)55Hz，内置高(gao)速处理器(qi)核心，采用(yong)数(shu)字滤波技术，有效避开了工频(pin)电(dian)(dian)(dian)场(chang)对测(ce)试的(de)(de)干(gan)扰(rao)(rao)，从根(gen)本上解决了强(qiang)电(dian)(dian)(dian)场(chang)干(gan)扰(rao)(rao)下准确(que)测(ce)量(liang)的(de)(de)难题(ti)。