DELTA is the globally leading supplier of retroreflectometers for road markings and road traffic signs. DELTA has since the 1980’es been supplying retroreflectometers. More recently DELTA has launched the state-of the art LTL-M mobile retroreflectometer for road markings being easy to mount, calibrate and operate besides offering accurate measurement under all driving conditions. DELTA’s LTL and RetroSign brands are known for high quality and reliability and are the choice of professionals.

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RetroSign GRX is a modern, robust and easy to use retroreflectometers for measuring retroreflection of all types and colors of road traffic signs. RetroSign GRX offers measurement up to 7 entrance and 7 observation angles, color recognition, photo of the sign, GPS coordinates, barcode and QR code scanning, sign facing direction and other features allowing for structuring a full measurement program.

RetroSign GRX

Handheld retroreflection measurement of road signs

Marking and sign retroreflectometer instruments

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