Embedded FBG strain sensor ES-01&EST-01 is specially used for the internal strain measurement of concrete, reinforced concrete or plastic materials, so as to observe the change of internal stress of the structure for a long time, conduct state analysis, and achieve the purpose of warning and object health status diagnosis. The sensor is small in size and easy to install. It is connected in series or in parallel, and it is easy to form a quasi-distributed sensor network.
Anti-electromagnetic interference, lightning strike, corrosion resistance
High measurement accuracy and reliability
Built-in temperature compensation for EST-01
Easy to set up distributed sensor network
Easy installation for long-term monitoring
Health monitoring of civil engineering structures such as bridges, dams, tunnels, buildings, etc.
Reinforced concrete stress and strain monitoring
Transportation industry (rail, road, aerospace)
Structural health monitoring of oil, gas pipelines and offshore oil platforms
| Parameter | Unit | Value | |
| ES-01 | EST-01 | ||
| Center Wavelength | nm | 1460 ~ 1610 | |
| Range | με | ±1500 | |
| Resolution | με | 0.05% F.S. | |
| Accuracy | με | 0.5% F.S. | |
| Temperature Compensation | -- | No | Yes |
| Material | -- | Stainless steel | |
| Dimension | mm | Φ23 x 110 | |
| Installation | -- | Embedded | |
| Pigtail Length | m | Φ3mm armored cable, 1m at both ends, or customize | |
| Optical Connector | -- | FC/APC, or customize | |
| Operating Temperature | °C | -20 ~ +80 | |
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