The Porcelain Disc Insulator Tester has been specifically designed for use in fully energized transmission and distribution lines. Positron’s proven and patented electric field technology ensures 100% reliability in safely detecting any conductive defects. You will know instantly the severity of the conductive defects, whether it is safe to work nearby and if maintenance or repair is necessary.
The Porcelain Disc Insulator Tester model #3782651U is equipped with a high dielectric, pressure-switch actuator assembly that makes physical, non-conductive contact with the porcelain disc insulators.
|Porcelain Disc Insulator Tester