Portable milliohmmeter 620LK-HR

4-wirefor the aeronautical industry

The AMPTEC 620LK-HR is the high resolution version of the 620LK. It is an affordable and highly accurate electrical bond tester. Additionally, the 620LK-HR has all the ranges of the standard 620LK, as well as both the lower 20 mΩ and higher 20 Ω ranges. Originally designed for Lockheed Martin, the 620LK product line comes from a long lineage of ultra-safe testing equipment that now occupies a more commercialized space. Nominal Current - 1 A - 100 mA - 100 mA - 10 mA Resolution - .001 mΩ - .01 mΩ - .1 mΩ - 1 mΩ Accuracy - ± .025% of range - ± .025% of range - ± .025% of range - ± .025% of range Terminal - Trident - Display - 4 1/2 digit LCD Update - 1 reading per 3 seconds - Power - Internal rechargeable battery pack Weight - 3 lbs. - Dimensions - 7.69″ x 7.56″ x 3″ Max. Internal Voltage - 5 VDC - Open Circuit - ~5 VDC Operating Temperature Range - -20° to 50° C - Storage Temperature Range - -40° to 75° C Temperature Coefficient - ± .0025% per 1° C - Max. Input Voltage - 250 VDC