The Extech UM200 is a precision Micro-Ohm Meter which features a resolution down to 1 µΩ. The UM200 has 6 ranges with 3 sub-ranges in each current range. It features a 5-Digit backlit LCD, PC interface, auto or manual ranging, and a 10 A maximum test current. Store/Recall up to 3000 measurements. Complete with 4-wire cables with Kelvin clip connectors, rechargeable Li-Polymer battery, AC adapter/charger, software and USB cable, and soft carrying case.