4DSP (Austin, Texas) has developed RTS125, an off-the-shelf, distributed fiber optic sensing solution. With tens of thousands of strain or temperature sensors simultaneously monitored up to 100 times per second, the RTS125 offers the same sensing capabilities on up to eight channels as its predecessor the RTS150, but in a lighter and ruggedized enclosure. 4DSP says the distributed sensing capability of the RTS125 is comprehensive because it can measure several parameters using a single system, simplifying the collection and monitoring of diverse measurements. Further, the Fiber Bragg Gratings (FBG) enable the extraction of environmental parameters such as strain loads and temperature gradients continuously along the entire length of the sensor.The RTS125 can also be used to sense and display the three-dimensional shape of a sensor with a resolution 450 micrometers. The system feature eight fiber optic sensing channels, 2,048 equally spaced sensors per fiber, 0.1 cm to 10 cm spatial resolution, real-time strain and temperature measurements through FBG, less than 50 ms latency, up to 100Hz refresh rate, 3-D shape sensing capability, resistance to electromagnetic/radio frequency interference and radiation and networking capability via Ethernet.
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