Product Description The 382357 is a Clamp-On Ground Resistance Tester that enables non-contact measurements of ground conductors. True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution. Programmable Datalogging with 116 data points. Performs without the need for auxiliary spikes. Complete with 9V battery, Resistance check plate and durable metal storage case. From the Manufacturer Clamp-on Ground Resistance tester enables non-contact measurements of ground conductors without the need for auxiliary ground spikes. Measures resistance from 0.03? to 1500? and True RMS AC Leakage current from 0.2mA to 30.00A. It features programmable datalogging with 116 points, programmable high/low alarms, 0.9-Inch jaw size, self calibration when powered on, and verification resistors to confirm the accuracy of the meter. Cat III-300V. Complete with 9V battery, resistance check plate, and durable metal storage case.