FIELD: measurement equipment.
SUBSTANCE: invention relates to an optical bench for measurement of a horizontal angle. The system comprises an autocollimator, optically connected with a base reflector, and controlled elements with mirror surfaces, which are optically connected to pentagonal reflectors. Controlled elements are installed on a single platform and are arranged at different levels along the vertical line, relative to the fixed base reflector, at a considerable distance from each other. The autocollimator is optically connected to the controlled elements with the help of pentagonal reflectors. Wedge compensators are installed in front of mirror surfaces of controlled elements.
EFFECT: provision of the possibility to measure with high accuracy angles between controlled elements installed at a considerable distance from each other on a single platform, which may incline in two mutually perpendicular planes, and a fixed reflector.
3 dwg
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