EnviroTech Sensors

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EnviroTech specializes in the design, manufacture, and field application of optical sensors. Our family of Sentry™ Visibility Sensors are used in more than 30 countries on 6 continents around the world! And with the introduction of the Defender™ Over Height Vehicle Detector in 2009, we expect our success to continue.

We are committed to producing cost effective, reliable products at reasonable prices. We are so confident in our products that we offer a 24-month warranty, the best in the industry!

visibility, fog, dust, sensor, detector, opacity, obscuration, Sentry, optical range, meteorological, range, forward scatter, RVR, runway visual range, MOR, extinction coefficient, allard, koschmeider, road, highway, motorway, bridge, tunnel, maritime, ATEX, Zone 1, coastal, offshore, fog horn, airport, aviation, harbor, rail, railroad, port, AWOS, ASOS, visiometer, Ex, plume, cooling tower, John Crosby, Westfield, Suny Albany, Defender, over height vehicle detector, OHVD, warning, meteorologist, dust storm, sandstorm, detection