... Digital Earth Resistance Tester is composed of host machine, monitoring software, testing wires, communication wires and others. The large ... 400 sets of data, fulfilling historical inquiry and online real-time monitoring through monitoring software, dynamic display, with the maximum, minimum, and mean ... , RS232 Com-cable: 1PC, Software disk: 1PC, Tester bag: 1PC 3. Features: Boot Time: Self-test in 0.5 ...