Optical Scientific, Inc. was established in 1985 and is a research, development, engineering, and manufacturing company situated in the I-270 high-tech corridor near Washington, DC. We specialize in designing and producing some of the world's most advanced optical instruments for measuring various parameters, including air and gas flow, wind, turbulence, liquid and powder tank levels, visibility, and precipitation type and amount. For over 39 years, we have maintained a continuous research and development program to uphold our status as a global leader in the industry. Our sensors and systems are utilized across numerous sectors, including airports, highways, railroads, maritime vessels, smelters, power plants, refineries, and many other commercial and industrial locations worldwide. Our range of products and services encompasses Environmental Instruments (such as Optical Anemometers and Optical Flow Sensors), Laser Level Meters, Weather Instruments (including sensors for crosswind, turbulence, rain, snow, visibility, and current weather), Modular Automated Weather Observing Systems, affordable portable weather stations, as well as comprehensive systems engineering, field testing, installation, training, and support services, all delivered with outstanding customer service.