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UT501/502A 511-513 5000V Insulation Resistance Meter Ground Tester Megohmmeter

UT501/502A 511-513 5000V Insulation Resistance Meter Ground Tester Megohmmeter

Polarization index (PI)   √. Polarization Index(PI): √. The device circuit design takes microcomputer technology design as the core and combines the large scale integrated circuit with digit circuit.