Pressure device, preferably pressure vessel or pressure hose

Abstract

The present invention relates to a pressure device (1), preferably a pressure vessel (1) or a pressure hose (1), with a casing (10) which encloses an interior space (11) for receiving a fluid in a substantially fluid-tight manner. The pressure device (1) is characterized in that the casing (10) has at least one high-frequency resonator (12) which is configured to be excited to oscillation from outside the pressure device (1) by means of a high-frequency signal (B) and, in response, to send a resonance signal back outside the pressure device (1), wherein the reflection coefficient of the high-frequency resonator (12) is, preferably proportionally, dependent on the strain of the high-frequency resonator (12) from the exciting high-frequency signal (B) and the returned resonance signal.

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