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Testing of insulators- measuring creepage distance

Insulators in the factory before the need to do a lot of testing of insulators mainly divided into design test, sample test and routine test. Such as size check, porosity test, bending test line, thread size test, breakdown test, and so on.

Testing of insulators- measuring creepage distance

Testing of insulators- measuring creepage distance

Today, we have to understand the testing of insulators is "how to measure creepage distance"?

Creepage distance means starting from the effective end of the insulated portion of the insulator along the insulator surface, the distance to the other end of the effective dielectric insulator portion. Testing of difficulties in measuring creepage distance insulators that corner shed and shed between measurements may be inaccurate.

In doing testing of insulators when measuring creepage distance, prepare a double-sided tape; insulator surface and then cleaned and dried, placed horizontally; then starting from the end of the effective range of insulators with double-sided tape, has been attached to the other end, the middle to have a hand pressing sided tape, to prevent surface gap; Finally, tape the top layer of paper torn measure the resulting length is to be tested creepage distance of insulators.


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