1 Scope
2 Normative references
3 Definitions
4 Abbreviations and symbols
5 General
6 Measurement of contact force
   6.1 General requirements
   6.2 Influence of the measurement system
   6.3 Inertia correction
   6.4 Aerodynamic correction
   6.5 Calibration of the measurement system
   6.6 Measurement parameters
   6.7 Measurement results
7 Measurement of displacement
   7.1 Uplift at the support
   7.2 Vertical displacement of the contact point
   7.3 Measurement of other displacements in the overhead
       contact line
8 Measurement of arcing
   8.1 General requirements
   8.2 Calibration of the arc measurement system
   8.3 Adjustment of the operating distance
   8.4 Values to be measured
   8.5 Representation of values