BS EN IEC 62631-2-1:2018描述了测定介电常数和介电常数的试验方法 固体绝缘材料的损耗因数特性（0.1 Hz至 10兆赫）。交叉引用:IEC 60212EN 60212ISO 4593EN ISO 291IEC 60464ISO 294-3IEC 60505IEC 60247EN 6050IEC 60216-1ISO 294-1EN ISO 294-1EN ISO 295EN 60216-1EN 61212ISO 295IEC 62631-1IEC 61212EN 60455EN 60247ISO 294-3EN 62631-1IEC 60216-4-1:2006EN 60216-4-1（IEC 60216-1:2006）以及购买本产品时可用的所有现行修改件文件

BS EN IEC 62631-2-1:2018 describes test methods for the determination of permittivity and dissipation factor properties of solid insulating materials (AC methods from 0,1 Hz up to 10 MHz).Cross References:IEC 60212EN 60212ISO 4593EN ISO 291IEC 60464ISO 294-3IEC 60505IEC 60247EN 60505IEC 60216-1ISO 294-1EN ISO 294-1EN ISO 295EN 60216-1EN 61212ISO 295IEC 62631-1IEC 61212EN 60455EN 60247ISO 291EN 60464IEC 60455EN ISO 294-3EN 62631-1IEC 60216-4-1:2006EN 60216-4-1 (IEC 60216-4-1:2006) ASAll current amendments available at time of purchase are included with the purchase of this document.