Milli Ohmmeter Calibration Certificate Included CAT Safety Rating CAT II Display Type Digital Insulation Resistance Resolution 0.1 milliohm to 1 ohm Maximum Insulation Resistance 2 kiloohm Minimum Insulation Resistance 200 microohm Power Source 110V AC 50/60Hz Display Screen Type LCD Features Built-In Overload Protection Zero Adjustment Dial Includes 4-Wire with (2) Kelvin Clips Power Cord Protective Case Shoulder Strap Traceable Certificate with Full Data and Uncertainties