Patent ID: 11959851
Assignee: YOKOGAWA ELECTRIC CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. The pipeline monitoring system according to claim 15, wherein
the calculation device further includes a switching unit that outputs to the second calculation unit, a signal instructing switching of calculation processing; and
in response to reception of the signal from the switching unit, the second calculation unit calculates the value of ratio based on a measurement result most recently obtained from each of the ultrasonic sensors and a relative thickness obtained at a measurement position of the ultrasonic sensor in a relative thickness distribution newly calculated by the first calculation unit after the reception of the signal, or calculates the value of ratio based on an absolute thickness most recently calculated by the third calculation unit at any position of the pipeline and a relative thickness obtained at the position in a relative thickness distribution newly calculated by the first calculation unit after the reception of the signal.