Stainless Steel High Precision Embedded Safety Fiber Bragg Grating
Application:
Fiber Brag Gratting is used for the long or short time encapsulated structure monitoring under harsh environment: embedded beam, column, pile foundation, support, retaining wall, hydraulic structure, lining, pier, base and foundation.
Introduction:
The Embedded FBG strain gauge is used to measure the strain changes inside concrete, it adopts a encapsulation structure to make the sensor itself and the concrete to achieve the stiffness matching which improve the embedding survival rate；
It's suitable for monitor the strain of long-time embedded beam, column, pile foundation, support, retaining wall, hydraulic structure, lining, pier, base and foundation.；for the temperature is compensated by embedding a strain-free cylinder.
Features:
●High precision, high stability, high reliability；
●Safe, anti-electromagnetic interference, corrosion resistance, pollution resistance, strong lightning resistance, can be used in strong electromagnetic interference, high lightning strike, flammable, easy explosion and other harsh conditions；
● Distance for transmission signal up to 40Km；
● Distributed measurement, multiple sensors connected on a single optical fiber (typical: 12)
● Simple layout, can be use together with other types of fiber grating sensor；
Technical specification:
| Product Name | FBG Strain gauge |
| Range | ±1500με |
| Resolution | ＜0.1％F.S. |
| Accuracy | ＜0.3％F.S. |
| Distance | 90mm |
| Size | Φ28×120mm |
| Installation | Surface welding/ Buried |
| Sensor lead wire | Left & Right (1m±0.1m) Armored Optical cable |
| Connection Mode | Welding or FC/APC Joint |
| Central wavelength | 1525～1565nm |
| Reflectivity | ＞85% |
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