FIELD: the invention refers to measuring technique and may be used for measuring speed and consumption of various liquids including optically opaque for example oil, run-off and technical water, tap water in tubes of large diameter, in an open channel and in seas in extreme conditions.
SUBSTANCE: the arrangement has a submersible sonde which has a body, a shielding window, an oscillator and a photoreceiver located outside of the controlled liquid and a fiber-optic image converter. The input butt-ends of its optical guidewaves form a measuring raster the plane of which is located under an angle to the axis of the flow and output butt-ends are optically connected with the photoreceiver. The output of the photoreceiver is connected with the input of an electronic block. At that the oscillator is optically connected with output even butt-ends of the guidewaves of the converter and the photoreceiver is optically connected with uneven butt-ends of the waveguides.
EFFECT: possibility of using any types of liquids and simplify the construction.
2 dwg
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