Rk2681 / 2 seriyali izolyatsiya tester
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Rk2681n / Rk2681an / Rk2682 izolyatsiya tester
Rk2681n: 100kōōō-5tō 10/25/100 / 250 / 500V
Rk2681an: 100kōōō-10 soat 10/550/550/500 / 1000V
Rk2682n: 500kō-2g dan 500 / 1000V
Rk2681n: 100kōōō-5tō 10/25/100 / 250 / 500V
Rk2681an: 100kōōō-10 soat 10/550/550/500 / 1000V
Rk2682n: 500kō-2g dan 500 / 1000V