Extech 382357  

Extech 382357: Clamp-on Ground Resistance Tester

Non-contact measurements of ground conductors without need for auxiliary ground spikes

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.