Standard Test Method for dielectric breakdown voltage and dielectric strength of D149 ASTM solid electrical insulating materials at industrial power frequencies.

ASTM D149固体电绝缘材料在工业电源频率下的介电击穿电压和介电强度的试验方法。

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Test method for ASTM D149 solid electrical insulating materials at commercial power frequencies the dielectric breakdown voltage and dielectric strength.

ASTM D149固体电绝缘材料在工业电源频率下的介电击穿电压和介电强度的试验方法。

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This tester is to test the damaged degree of conductor or various materials of insulator caused by the specified voltage to ensure the security of usage of insulating material.

本机在测试导体或各种材料耐电压破坏强度，以确保绝缘材料使用之安全性。

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