DIN EN 61241-2-2-1996 易燃粉塵中工作的電氣設備.第2部分:試驗方法.第1節:粉塵層電阻測定法
Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 2: Method for determining the electrical resistivity of dust in layers (IEC 61241-2-2:1993 + Corrigendum 1994); German version EN 61241-2-2:1995