" DUOYI Digital Earth Grounding Tester DY4100 Ground Resistance Tester Digital Earth Grounding / Earth Resistance Tester adalah alat yang biasa digunakan untuk pengukuran tegangan bumi yang biasa dipakai oleh surveyor PLN, Telkom, atau Kontraktor untuk konstruksi pembangunan. Include in Box : 1 Tas 2 bars assistant earth bar. 1 set testing wire (red: 15m, yellow 10m, green 5m. 1 set simple testing wire (red 1.6m, green 1.6m). 1 pc instruction manual MODEL:DY4100 Earth Ground Resistance:0/20/200/2000Ω ±(2%+3) Earth Voltage:0~30V ±(3%+5) Resolution:0.01Ω Data Hold:yes Working LED Indicator:yes Function Symbol Display:yes Low Battery Warning:yes Power:AA1.5Vx6(UM3) (Product does not include battery) + 23Ax1 (Not include) Product Size:150 x 100 x 70 mm"