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Designed for long-term, precise strain measurements
A fibre optic strain sensor used for long-term, precise strain measurements on a variety of structures such as nuclear power plants and dams. It is resistant to corrosive environments and suited for spot-welding on steel surfaces. Intrinsically safe, it is immune to EMI, RFI, and lightning. It allows static/dynamic measurement and can deliver signal transmitter over long distances with no interference due to fibre bending.
The SFO-W consists of a small diameter stainless steel tube welded on a steel sheet, suitable for spot-welding on steel surfaces.
The sensor is based on a unique fibre optic strain sensor which constitutes a breakthrough in fibre optic sensing. The extrinsic Fabry-Perot strain sensor is bonded inside the steel tube, thereby following the tensile or compressive movements of the spot-welded sensor.
|Strain range||±1000 με, ±1500 με, ±1000 με|
|Resolution¹||0.01% of full scale|
|Transverse sensitivity||<0.1% of full scale|
|Connector type||ST connector|
|Operating temperature||−40 to 85°C (−40 to 185°F)|
¹ - Signal conditioner dependent.