Zdt Series Grounding Downlead Tester

ZDT Series Grounding Downlead Tester is high automation and easy handcarry based on our years' experience and design. it is used for the measurement between earth downlead of substation. Instrument adopts high quality IC controller, realize fully auto test process. Small size, easy hand carry, high accuracy/precision, fast test speed, it is new and dedicated for the requirement.
1. Output currenti
ZDT-20:1Aa 5Aa 10Aa 20A
Test Rangei 100I ICi 1IC i 20Ai a 500I ICi 2IC i 10Ai
a a a a 1mICi 4IC i 5Ai 5mICi 20IC (1Ai
ZDT-30:5Aa 10Aa 20Aa 30A
Test Rangei 80I ICi 0.6IC i 30Ai a 100I ICi 1IC i 20Ai
a a a a 0.5mICi 2IC i 10Ai 1mICi 4IC (5Ai
ZDT-40:5Aa 10Aa 20Aa 40A
Test Rangei 50I ICi 0.5IC i 40Ai a 100I ICi 1IC i 20Ai
a a a a 0.5mICi 2IC i 10Ai 1mICi 4IC (5Ai
ZDT-50:5Aa 10Aa 20Aa 50A
Test Rangei 40I ICi 0.4IC i 50Ai a 100I ICi 1IC i 20Ai
a a a a 0.5mICi 2IC i 10Ai 1mICi 4IC (5Ai
2. Resolutioni 0.1I IC
3. Accuracyi 0.5%A 0.2I IC
4. TEMPi 0i 40
5. RH: <90%RHi NO CONDENSATION OF MOISTURE