Sept. 14 (UPI) --Police in an Illinois town are trying to identify a mysterious white or translucent object seen flying in the daytime sky. Prophetstown Police Chief Bruce Franks said he was off-duty ...
The SA1E-X models of photoelectric sensors feature advanced optic function for transparent or translucent object detection, with optimum response speed of 500μs said to be one of the fastest on the ...
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