Distributed fiberoptic monitoring systems

RELSEN

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Type Feature Function parameters / Specifications
1 Сconsumer properties Upper bounds for probability of the Type I & Type II errors 5%
2 The minimum of the targeted seismoacoustic set cardinality 10
4 FOS maximum length without Remote Optical Pumped Amplifier (ROPA) 40 km
5 Maximum length of a FOS module with one ROPA unit 60 km
6 Maximum length of the FOS with two ROPA units 75 km
7 Seismoacoustic event detection resolution 5 m
8 Technical properties Laser class 3B
9 Wave length 1550 nm
10 Type of optical fiber used as a FOS G.652
11 Information extraction principle comprehensive analysis of the   Rayleigh speckles  
12 Operating temperature +5 - +55 ° C
13 Storage temperature 0 - +70 ° C.
14 Relative humidity 10 - 80%
15 Working height above sea level <4000 m
16 Noise level <45 dB
17 Power 1 220 V, 50 Hz
18 Power 2 +48
19 Power consumption 90 W
20 Weight Up to 15 kg

 

The simplified RELSEN scheme

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