Optical Scientific, Inc. (OSi), founded in 1985 and based in Maryland’s I-270 tech corridor, designs and manufactures advanced non-contact electro-optical sensors. Our products measure air/gas flow, wind, turbulence, visibility, and precipitation for use in harsh environments—from refineries and airports to ships and highways worldwide. OSi specializes in optical anemometers, flow sensors, weather instruments, laser level meters, and modular weather systems. With nearly 30 years of innovation, we provide reliable, high-performance sensing solutions backed by expert engineering, field support, and customer service.
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