DIN EN 61241-2-2-1996 易燃粉尘中工作的电气设备.第2部分:试验方法.第1节:粉尘层电阻测定法
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