Megger DLRO200-EN High Current Digital Low Resistance Microhmmeter, +/-2% Accuracy High-current microhmmeter measures resistance in circuit breaker contacts, switch contacts, bus-bar joints, and other high-current systems Autoranging digital meter for safety and ease of use Stores up to 300 sets of results with memos for PC download or direct output to a printer via RS232 port Measures resistance from 0.1 microhms to 1 ohm with test currents from 10 to 200A Safety rated to European Standard EN61010-1