The Extech UM200 micro-ohmmeter provides 6 ranges with 3 sub-ranges in each current range. It has a built-in comparator for Hi/Lo resistance testing with 20 sets of prestored values and can store/recall up to 3000 measurements. The UM200 also has a 10A maximum test current, cable length measurement (feet or meters), and PC interface. NIST certification option available.