Suitable for measuring the insulation resistance,dielectric absorption ratio andpolarization index of electric motor ,cable ,switch,electrical appliance and others electrical equipment and insulation materials. 1. Model No.: ETCR3480A 2. Insulation resistance tester：0.1MΩ～200GΩ 3. Voltage range：AC/DC 0V~750V 4. Rated voltage：2500V 5. Short circuit current：≥2mA MAX 6. Power Supply : DC 1.5V LR14 X 6PCS
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