Extech Clamp-On Ground Resistance Tester

Specifications Autoranging ground resistance measurements from 0.025Ohm to 1500Ohm with 0.002Ohm resolution True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution Programmable Datalogging with 116 data points Programmable Hi/Lo Alarm 0.9 Inch (23mm) Jaw size for large ground rods Autoranging ground resistance measurements from 0.025Ohm to 1500Ohm with 0.002Ohm resolution True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution Programmable Datalogging with 116 data points Programmable Hi/Lo Alarm 0.9 Inch (23mm) Jaw size for large ground rods

AC Leakage Current	0.300 to 1.000mA, 0.001mA, ±(2.0% ± 0.05mA)
Resistance Test Frequency	1.667kHz
Ground Resistance	0.025 to 0.25Ω, 0.002Ω, ±(1.5% + 0.05 )
Weight	24.7oz (700g)
Dimensions	10.2 x 4.4 x 1.9in (258 x 110 x 47mm)