GTD-310電力電纜(lan)(lan)故(gu)障(zhang)(zhang)定(ding)(ding)點(dian)(dian)(dian)儀(yi)，適(shi)用(yong)于各種電壓(ya)等級電力電纜(lan)(lan)故(gu)障(zhang)(zhang)點(dian)(dian)(dian)的(de)(de)(de)快(kuai)速、定(ding)(ding)位。采用(yong)“聲磁同(tong)步(bu)法"測試原(yuan)理(li)。應(ying)用(yong)工(gong)頻(pin)自適(shi)應(ying)對(dui)(dui)消理(li)論及(ji)高(gao)Q工(gong)頻(pin)陷波技(ji)術，大大加強了在強工(gong)頻(pin)電場環境中對(dui)(dui)50Hz工(gong)頻(pin)信(xin)號的(de)(de)(de)抑制及(ji)抗干擾能力，縮(suo)小了定(ding)(ding)點(dian)(dian)(dian)盲區(qu)。并且針對(dui)(dui)環境噪音(yin)影(ying)響大，用(yong)聲測方法對(dui)(dui)電力電纜(lan)(lan)故(gu)障(zhang)(zhang)定(ding)(ding)點(dian)(dian)(dian)比較困難(nan)的(de)(de)(de)情況，GTD-310定(ding)(ding)點(dian)(dian)(dian)儀(yi)可利用(yong)磁場信(xin)號的(de)(de)(de)關(guan)斷，屏蔽外界的(de)(de)(de)噪音(yin)干擾，使使用(yong)者能夠快(kuai)速有效的(de)(de)(de)判(pan)定(ding)(ding)故(gu)障(zhang)(zhang)位置