FIELD: measurement of pressure fluctuations of acoustic origin. SUBSTANCE: invention specifically refers to measurement of acoustic noise in aircraft compartment, to test and diagnosis of pipe-lines and equipment of atomic power stations with PБМК. reactors. Capacitive sensitive element is placed in core made from anticorrosive easily-machined material. Hole in core to communicate with atmosphere is located uniaxially with capillary hole of sensitive element. Protective grid and electric screen guard device against external effects. All units of device are fastened together with the use of adhesive based on epoxy resin. Core where sensitive element is positioned is potted. Capacitive sensitive element is connected to matching amplifier by means of high-temperature cable. Capacitive sensitive element, matching amplifier and cable are fitted with protective shields. EFFECT: widened application field and increased functional reliability. 2 cl, 2 dwg
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