The electromagnetic wire with a certain tension is wound on the mandrel, and the mandrel moves back and forth. At the same time, a certain voltage is applied to test the number of electrical conduction during reciprocating motion to judge the adhesion of paint film.

1) The travel distance is 36 ± 3.6 inches；

2) The speed is 15 ± 2 inches / s；

3) 8 gears of test voltage 350V-500V-750V-1000V-1500V-2000V-2500V-3000V；

4) Test range of wire sizes 0.25-1.60mm;

5) Contains a full set of weights and mandrel.