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International Electrotechnical Commission, 03/01/2022
Publisher: IEC
File Format: PDF
$164.00$329.00
Published:01/03/2022
Pages:102
File Size:1 file , 6.6 MB
Note:This product is unavailable in Ukraine, Russia, Belarus
This part of IEC 61757 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 (o-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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