Tracked Changes. Fibre optic sensors. Generic specification|Optical communication systems, Position, Visual inspection (testing), Probes, Force measurement, Velocity measurement, Mechanical testing, Designations, Classification systems, Electrical testing, Fibre optics, Optical measurement, Electrical measurement, Physical properties of materials, Electrical components, Assessed quality, Marking, Meteorological measurement, Radiation measurement, Acoustic measurement, Testing conditions, Electronic equipment and components, Detail specification, Chemical analysis and testing, Optical fibres, Environmental testing, Magnetic field measurement, Quality assurance systems