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Insulation Testers: Tester Type - Insulation Resistance Megohmmeter; Power Source - Battery; Display - Digital Backlit LCD w/Analog Bar Graph; Megohm Ranges - 10 kOhm - 20 Tera-Ohm; Test Voltages - 250/500/1000 V; Parts Included - Test Leads, Operator's Manual and Software; Size - 12.0x11.0x7.0"(315x285x180mm); Manufacturer Series - Megger