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DAS

DAS (Distributed Acoustic Sensing) monitoring interrogator converts a standard communications single mode fibre into thousands of extremely sensitive acoustic and vibration sensors.

The Distributed Acoustic Sensor connected to one end of the fibre uses a laser to send thousands of short pulses of light along the fibre every second. A small proportion of the light travelling in a fibre is reflected back by the process known as Rayleigh Backscatter.

Vibrations from the surrounding environment, will disturb the light in the fibre and will therefore be observed by the DAS interrogator. As the data is processed in real time, advanced algorithms can recognise the unique signatures of each type of event. The events that are of concern are reported to the alarm server.

DAS solutions deliver new insights that can help companies across the telecoms, energy, security, infrastructure, and road and rail sectors to optimise day-to-day operations.

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    +381 11 715 22 01
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