FIELD: measurement technology. SUBSTANCE: device has primary instrument transducer of wire parameters, branch of eddy-current conversion, optical conversion branch, and branch processing the signals of both branches. Device makes it possible to extend functional capabilities of slotted eddy-current device due to provision for simultaneous local measurement of thickness of wire insulation coating, core diameter and diameter of wire with insulation coating. EFFECT: higher measurement results. 5 cl, 2 dwg
