MeggerDLRO10X

Megger DLRO10X portable digital low resistance micro-ohmmeter (Ducter tester), dimension 220mm×100mm×237mm; 7 measurement ranges from 0.1μΩ to 2000Ω, 4.5-digit backlit LCD display, basic accuracy ±0.2% reading + offset error, min resolution 0.1μΩ; Max DC test current 10A, support 5 measurement modes: Auto/Manual/Continuous/Inductive/Unidirectional, manual override for test current selection; Built-in storage for 700 test records, 200 characters memo per record, RS232 communication port for real-time data download to PC; 4-wire Kelvin measurement method, auto forward/reverse current to eliminate contact potential interference, continuity check for current & voltage probes; Powered by 7Ah rechargeable NiMH battery, approx 1000 cycles of 10A full-current test per full charge, external AC charger 90~264V 50/60Hz, 2.5h to 90% capacity, 4h full charge; Operating temperature 5℃~40℃, storage -30℃~70℃, max humidity 90% RH non-condensing @40℃, max altitude 2000m; IP65 protection when closed, IP54 during battery operation, compliant with IEC61010-1 600V CAT III safety & IEC61326-1 industrial EMC standards; Used for precise low-resistance testing of transformer windings, busbar joints, cable lugs, switch contacts and motor coils, applied in power grid, rail transit and industrial manufacturing maintenance.