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A-3500 Distributed Fiber Optic Temperature/Strain Sensing System (BOTDA)
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Product Details

A-3500 Distributed Fiber Optic Temperature/Strain Sensing System (BOTDA)

Product introduction

The series of distributed fiber optic temperature/strain sensor (DTSS) can obtain the spectrum information of Brillouin backscattered light at any place of the sensing fiber, and demodulate the strain, temperature, and losses along the fiber simultaneously.

This product benefits from a single-terminal nondestructive monitoring structure, excellent accuracy, long dynamic range, and high repeatability. This device can be controlled remotely, and process data on a remote server, which makes it easy to integrate with third-party systems.

      Features

  •     High speed of the Brillouin spectrum peak detection, real-time signal processing by FPGA. 

  •     High precision and separate temperature/strain measurement, ensuring parallel sensing accuracy 

  •     Stable light pulse with ultra-high extinction ratio to improve the accuracy over a long distance 

  •     High sensitivity broadband microwave technology, reducing the complexity of the design and improve the stability 

  •     Powerful local database


Typical applications


  • Real-Time health monitoring and breakpoint localization of communication fiber optic cables (including submarine cables, communication fiber cables,etc.) 

  • Monitoring geological disasters such as landslides and subsidence 

  • Monitoring leakage of oil and gas, and heat monitoring in pipelines

  

Performance

Parameter

Mini.

Typical

Max.

Unit

传感距离 Sensing Range

-

50

75

km

空间分辨率 Spatial resolution

0.5

5

-

m

应变监测范围 Strain measurement range

±6,000

-

±10,000

με

应变监测精度Strain measurement accuracy

-

±20

-

με

应变分辨率Strain resolution

-

2

-

με

温度监测范围Temperature measurement range

-190

-

700

℃

温度监测精度Temperature measurement accuracy

-

±1

-

℃

温度分辨率Temperature resolution

0.1

-

-

℃

采样间隔Sampling interval

0.1

-

-

m

中心波长Central wavelength

-

1550. 12

-

nm

预热时间Preheating time

-

15

-

min


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