It is used to test the insulation strength of various electrical appliances, electrical components, insulating materials under specified voltage, so as to check the insulation level of the products, find the insulation defects of the tested products, and measure the ability of overvoltage. It is widely used in electrical manufacturing department, electric power operation department, scientific research institutes and universities. At present, Shanghai Electric Machinery Factory and Oriental Electric Machinery Factory are applied in test stations.
