High Voltage Insulator Test Items
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High Voltage Insulator Type test
1) Dimension, shape deviation and creepage distance test
2) Lightning impulse withstand test
3) Wet operation impulse withstand test
4) Wet DC voltage withstand and polarity reversal test
5) Radio interference and corona test
6) Temperature cycle test
7) Mechanical load test
8) Elastic modulus and Poisson's ratio test
9) Galvanizing layer thickness test
10) Water diffusion test
11) Dye penetration test
9.2 Routine test
1) Dimension and appearance inspection
