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download between 0-24 hoursReleased: 2022-03-29
IEC 61757-3-2:2022
Fibre optic sensors - Part 3-2: Acoustic sensing and vibration measurement - Distributed sensing
Capteurs fibroniques – Partie 3-2: Détection acoustique et mesure des vibrations - Détections réparties
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| Standard number: | IEC 61757-3-2:2022 |
| Released: | 2022-03-29 |
| Language: | English/French - Bilingual |
DESCRIPTION
IEC 61757-3-2:2022
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.