FIELD: control member actuators. SUBSTANCE: detector has rod rigidly fixed to control member, shunt, and shunt position indicator. Newly introduced in detector are step-down transformer, current transformers, power plug, compensating wire turn connected to step-down transformer secondary in parallel with shunt position indicator and made in the form of running wire turn; compensating turn is enclosed in magnetic screen in vicinity of shunt displacement. EFFECT: improved precision of shunt displacement detection, simplified resign, improved operating reliability of detector. 2 dwg
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