NEN EN ISO 21178 : 2013
Current
The latest, up-to-date edition.
LIGHT CONVEYOR BELTS - DETERMINATION OF ELECTRICAL RESISTANCES
12-01-2013
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.