Select Products   DET14C and DET24C Earth Clamp Tester - Elliptical clamp shape improves access to earth cables and straps up tp 50 mm - Low maintenance flat jaw interface - Measures ground resistance from 0.05 ohm to 1500 ohm - Measures true RMS ground leakage current from 0.5 mA rms to 35 A rms - CAT IV 600V safety rating - Backlit LCD Display Large Display Clamp head with smooth mating Surfaces