Product OverviewThe Sanwa MG-1000 is a professional-grade digital insulation resistance tester designed for safety, precision, and durability. Engineered for power line and equipment maintenance in environments up to 600V (CAT III), it combines the ease of digital readout with the visual clarity of an analog-style log bar graph. Its rugged, IP54-rated design makes it a reliable choice for field electricians and industrial maintenance technicians who require consistent insulation diagnostics.Key Features3-Range Insulation Testing: Offers versatile test voltages of 250V, 500V, and 1000V to accommodate various equipment requirements.Safety-First Design: Includes automatic live circuit detection (>30V AC/DC) that inhibits testing if voltage is present, accompanied by an alarm and visual indicator.Intuitive Display: Features a large 4200-count backlit LCD paired with a logarithmic bar graph, providing the quick visual feedback of an analog meter alongside precise digital values.Rugged & Portable: Housed in a tough, dust-proof, and splash-proof (IP54) body, with a built-in cover that protects the device during transport.Advanced Diagnostics: Includes auto-discharge functionality to safely release residual voltage after testing, as well as a 200mA continuity test function.Technical SpecificationsFeatureSpecificationBrandSanwaModelMG-1000Test Voltages250V / 500V / 1000V DCInsulation Resistance4MΩ / 40MΩ / 400MΩ / 4000MΩAC/DC VoltageUp to 600V (Auto-detection)Continuity Test4000Ω (Buzzer & Alarm)Display4200 Counts w/ Log Bar GraphSafety StandardIEC 61010-1 CAT. III 600VIngress ProtectionIP54 (Dust/Splash proof)Power Source6 x 1.5V (AA/LR6) batteriesSEO KeywordsSanwa MG-1000, Digital Insulation Tester, Megger Resistance Tester, Sanwa Insulation Tester Specs, CAT III 600V Insulation Meter, Live Circuit Detection, IP54 Insulation Tester, Electrical Safety Maintenance Tool.
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