DIN EN 62631-3-3 VDE 0307-3-3:2016-10

Dielectric and resistive properties of solid insulating materials

Part 3-3: Determination of resistive properties (DC Methods) – Insulation resistance

DIN IEC 60167 VDE 0303-31:1993-12

Methods of test for insulating materials

Insulation resistance of solid insulating materials