Measuring system with a pressure device as well as method for monitoring and/or checking such a pressure device

Abstract

The method serves for monitoring and/or checking a pressure device having a lumen surrounded by a wall for conveying and/or storing a fluid. To this end, the method comprises a step of registering both a strain of a first wall segment as well as also a strain of at least a second wall segment spaced from the first wall segment, for ascertaining a strain deviation value representing a difference between the strain of the first wall segment and the strain of the second wall segment, as well as a step of using the strain deviation value for ascertaining damage to the wall, as a result of plastic deformation of the wall and/or as a result of wear of the wall. The measuring system of the invention comprises supplementally to the pressure device a first strain sensor affixed on the first wall segment for producing a first strain signal dependent on a time variable strain of the first wall segment as well as at least a second strain sensor affixed on the second wall segment for producing a second strain signal dependent on a time variable strain of the second wall segment. Moreover, the measuring system comprises a transmitter electronics electrically coupled both with the first strain sensor as well as also the second strain sensor. The transmitter electronics is adapted to receive both the first strain signal as well as also the second strain signal as well as to ascertain, with application of the strain signals, damage to the wall.