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IEC 61757-3-2:2022

Fibre optic sensors - Part 3-2: Acoustic sensing and vibration measurement - Distributed sensing

General information
Valid from 29.03.2022
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Standard history
Status
Date
Type
Name
29.03.2022
Main
IEC 61757-3-2:2022 specifies the terminology, characteristic performance parameters, related test and calculation methods, as well as specific test equipment for interrogation units used in distributed fibre optic acoustic sensing and vibration measurement systems. This document refers to the Rayleigh backscatter and phase detection method by phase-sensitive coherent optical time-domain reflectometry (ϕ-OTDR) only. Quasi-static and low frequency operation modes are not covered by this document. Generic specifications for fibre optic sensors are defined in IEC 61757.
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