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This page provides information relating to the EU Declaration of Conformity (Vicon Lock+)

Conformity of the Metrological Performance of CLASS 1 Products
Manufactured in Accordance with Annex VII, Section 5 of the
Medical Devices Directive 93/42/EEC of the 14th June 1993.
As amended by EU Council Directive 2007/47/EC of 5th September 2007.

We, Vicon Motion Systems Limited
Unit 6, Oxford Industrial Park
Mead Road, Yarnton, Oxford, OX5 1QU

declare that the VICON Lock+ providing analogue-digital conversion within the VICON Vantage or Vero Gait Analysis System manufactured by VICON MOTION SYSTEMS LIMITED has been tested prior to shipment and meets the following metrological performance:

Measurement Criteria

  • Supporting software: Nexus 2.10 or later, Shogun 1.4 or later, Tracker 3.8 or later.

Analog Digital Conversion

  • Resolution to ± 10 mV mean and ± 10 mV (1 Standard Deviation).


  • Difference within one video frame.