Digital Ground Resistance Tester Earth Resistance Testers with USB Interface Data Storage 400 Sets Earth Resistance Range 0.01Ω~2000Ω Earth Voltage Range 0~600V
Measuring Method：Earth ground resistance: rated current change-pole method, measurement current 3mA Max,820Hz; Earth Voltage: average value rectification
Measuring time：Earth voltage : 3 times/second; Earth resistance: 5 seconds/time
Can store 400 sets of data, realize historical inquiry and online real-time monitoring by monitoring software, dynamic display, with the indicator of max/min/average value, and with alarm value setting and alarm indicator functions, and with the functions as historical data access, reading, preservation, report forms, printing and so on
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