FIELD: electric measuring equipment. SUBSTANCE: apparatus for measuring pressure in balloon containing compressed gas has sensitive member connected to frequency meter input, self-excited oscillator with synchronizer, pulse generator and electric magnet for imparting transverse oscillations to balloon casing. All mentioned parts of self-excited oscillator are connected in series. Sensitive member is made in the form of electromagnetic device for sensing transverse oscillations of balloon casing, which is connected to positive feedback circuit of self-excited oscillator and connected to synchronizer input. Apparatus may be used for controlling the extent of filling of balloon with gas prior to using it or for examination. EFFECT: wider operational capabilities, improved fire and ecological safety during operation. 1 dwg
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