SFO-W Spot-Welded Strain sensor Fiber Optic Strain Sensor 

The SFO-W is a fi ber optic, spot-welded strain sensor designed for civil engineering applications such as the monitoring of dams, bridges, tunnels, and other structures.

The SFO-W strain sensor offers small size, high accuracy, immunity to EMI/RFI, and resistance to corrosive environments with a high temperature range.

Key Features
 Immune to EMI/RFI/lightning
 Intrinsically safe
 Static/dynamic response
 High sensitivity and resolution: 0.01% full scale
 Signal transmitted over long distances
 No interference due to fiber bending
 Absolute measurements in engineering units
 Data-acquisition compatible

Applications
 Steel structures
 Dams
 Nuclear power plants
 Structural members of buildings and bridges
 Tunnel supports
 Corrosive environments
 High EMI/RFI environments

Specifications
Strain range : ±1000 µε , ±1500 µε , ±2000 µε
Resolution : 0.01% of full scale
Transverse sensitivity : < 0.1% of full scale
Connector type : ST connector
Operating temperature : -55℃ to 85℃ (-67℉ to 185℉)