1 Scope
2 Normative reference
3 Terms and definitions
4 Construction
  4.1 General
  4.2 Mechanical impedance level
  4.3 Phase angle of mechanical impedance
  4.4 External geometry
5 Calibration
  5.1 Reference environmental conditions
  5.2 Calibration procedure
  5.3 Force sensitivity level
  5.4 Mechanical impedance level
  5.5 Temperature dependence
6 Marking and instruction manual
  6.1 Marking of the mechanical coupler
  6.2 Instruction manual
7 Coupling of bone vibrator to the mechanical coupler
8 Maximum permitted expanded uncertainty of measurements
Annex A (informative) - Example of a specific construction of a
        mechanical coupler
Annex B (informative) - Guidance on the testing and calibration
        of mechanical couplers
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Bibliography