NEN EN ISO 21178 : 2013

Foreword
1 Scope
2 Normative references
3 Symbols
4 Electrical surface resistances
  4.1 Method A: measurement of surface resistance R[OA]
      omni-directionally
  4.2 Method B: measurement of surface resistance R[OB]
      in longitudinal and transverse direction
5 Electrical surface resistivity rho[s]
  5.1 General
  5.2 Principle
  5.3 Apparatus
  5.4 Preparation and preservation of test pieces prior to testing
  5.5 Procedure
  5.6 Expression of results
  5.7 Test report
6 Electrical volume resistances
  6.1 Volume resistance R[D] perpendicular to plane of belt
  6.2 Volume resistance R[Di] in longitudinal and transverse
      direction parallel to plane of belt
7 Electrical volume resistivity rho[D]
  7.1 Procedure
  7.2 Expression of results
  7.3 Test report
Annex A (informative) Comparative values for electrical resistances

Specifies test methods for determining the electrical resistances of light conveyor belts according to ISO 21183-1.