FLUKE 1630 EARTH GROUND CLAMP * A wide ground loop resistance range, from 0.025 Ω to1500 Ω, to satisfy all requirements * Large jaw opening of 35 mm (1.38 in) for tests on ground conductors and/or equipotential bus bars * Measurement of ground leakage current, from 0.2 mA to 1000 mA, without needing to disconnect - ideal for system troubleshooting * Wide ac current measurement range from 0.2 A to 30 A allows one instrument for multiple applications * User-defined HI / LO Alarm limits, for rapid measurement evaluation * Handy ‘display hold’ button for capturing readings in hard-to-reach places * Time saving memory function automatically records and stores measured values * Automatic self calibration ensures correct measurement every time * Overload protection: 200 A * Carrying case and resistance test loop included * ≥ 8 hours battery life (continuous operation)