FIELD: pipe line engineering. SUBSTANCE: tight container provided with electronic units is secured to a frame. The device is provided with a transducer for recording distances, pickups for measuring depth of flaws, and mechanisms for stabilizing horizontal and coaxial position of the device. The container is provided with an axle rigidly secured to its case and mounted on the frame through flexible members. The pickups for measuring depth of flaws are made of double- arm lever whose one arm is provided with a roller and the other is provided with a signal pickup and are mounted on the axle. EFFECT: enhanced accuracy of measuring. 3 dwg
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