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.: ETCR3480B 2. Insulation Resistance Tester：0.1MΩ～400GΩ 3. Voltage Range：AC/DC 0V~750V 4. Rated Voltage：5000V 5. Short Circuit Current：≥2mA MAX 6. Power Supply : DC 1.5V LR14 X 6PCS
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