FIELD: measurement technology; ferrous and nonferrous metallurgy. SUBSTANCE: device has light source, collimating objective, receiving system, detector and signal processing unit; device is additionally provided with one shaping and one receiving systems located symmetrically relative to object under test. Each shaping and receiving system is provided with scanning units and angular sensor. Device may be used for measuring distance to object from two sides which is of great importance under conditions of hot production. EFFECT: enhanced efficiency. 2 cl, 2 dwg
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Authors
Dates
2000-07-27—Published
1998-01-09—Filed