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RoadVista Awarded Patent For Handheld Retroreflection Measurement Technology

RoadVista, a Gamma Scientific Company and leading manufacturer of precision highway-safety measurement instruments, today announced it has been awarded a patent for the technology underlying its innovative handheld, multiple-angle retroreflectometers. U.S. Patent # 7,961,328 B2 has been awarded for the technology’s unique ability to simultaneously measure two or more annular bands of retroreflected light, as well as provide users with continuous, user-adjustable entrance and observation angles. This technology is field-proven in RoadVista’s Model 922 and Model 932 handheld retroreflectometers, which also feature lab-grade accuracy and comprehensive data management tools.

 

The Model 922: Simultaneous, dual-angle measurement.

 

The industry's only annular aperture instrument, the Model 922 measures observation angles of 0.2°and 0.5°, with an entrance angle of -4°(European specifications also available)....

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Handheld Instruments: Model 1200F for RRPM's (Cat Eyes)

The new RoadVista model 1200F is the next generation retroreflectometer designed for use in field measurements of Raised Retroreflective Pavement Markers. It is designed to measure the retroreflection (RI) of all RPMs.

Based on the successful MX-30 Stripemaster design, the 1200F is designed for quick and easy measurements with the touch of a button. The instrument is lightweight and comes with wheels to make the measurement process a breeze. An internal GPS and printer come standard allowing the field user to quickly verify the data.

The internal memory will store up to 10,000 measurements before downloading to a computer. The data transfer is simple with our data logging software. The 1200F connects to any standard computer using an RS-232C interface. Our mapping software allows the user to plot the data on a clickable and printable map to quickly identify problem areas that need attention.

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