FIELD: physics, optics.
SUBSTANCE: invention relates to fibre optics and can be used for measurement of the angle of deflection of controlled object surface from datum level, profile and part surface curvature in machine building. Proposed device comprises radiation source, V-like waveguide system, two comparators, photo receiver and cylindrical optical adapter. Every waveguide fitted in said adapter allows the device operation in its particular range of angular positions which cover the required operating range of control surface angular position measurements.
EFFECT: expanded operating range of control surface angular position measurements.
5 dwg
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