Road Marking Paint and Machine Manufacturer

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Precision monitoring of retroreflective sheeting materials Perfect for production line monitoring of retroreflective sheeting materials for traffic signs, high-visibility safety clothing, license plates and conspicuity tapes

June 10, 2026

Online retroreflectivity sensor complies with CEN and ASTM standards

The GRX online is designed for production line monitoring of retroreflective sheeting materials. Tailored for applications involving traffic signs, high-visibility safety clothing and license plates, it ensures accuracy and compliance with international CEN and ASTM standards such as EN 12899, EN 20471, ASTM E 1709, ASTM E 2540, and ASTM E 1809 (discontinued). This ensures that your production processes align with the highest industry standards, guaranteeing the quality and visibility of retroreflective materials. 

Versatile retroreflective observation angles  

Equipped with seven observation angles, the GRX Online Sensor provides comprehensive measurement capabilities. Simultaneously measuring entrance angles of 0.2, 0.33, 0.5, 0.7, 1.0, 1.5, and 2.0 degrees, the sensor offers flexibility to adapt to various production scenarios. The instrument is available with either an ASTM entrance angle of -4 degrees or a CEN entrance angle of +5 degrees, catering to different calibration needs.  

Compatibility across retroreflective materials 

The GRX Online Sensor is designed to measure all types of foils and retroreflective materials. Calibration with a single white retroreflective standard with a known RA value ensures accuracy and consistency across diverse materials. This versatility makes it an indispensable tool for production line quality control on a range of retroreflective materials.  Connect with your local distributor to elevate quality production initiatives with the GRX online sensor

Our company is a professional manufacturer of road reflection measuring instruments, road marking measuring instruments, and road sign reflection measuring instruments. If you are interested, please feel free to contact me via email at any time export@toproadtraffic.com

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