ELECTRO-MAGNET DEFECTOSCOPE FOR DETECTION OF CORROSION DEFECTS OF WALLS OF FERRO-MAGNET STRUCTURES

摘要

FIELD: metallurgy.;SUBSTANCE: facility consists of: generator, attachable transformer-converter containing exciting, measuring, compensating and additional measuring windings forming two differential measuring pairs, phase metre, first, second and third stages of amplifiers, amplitude detector, four digit-analogue converters, four adders, digit indicator, multiplexer, analogue-digit converter, and microprocessor controller.;EFFECT: increased responsiveness of defectoscope to extended corrosion defects both on external and internal sides of structure wall.;1 dwg