Today, TBTSCIETECH is proud to announce good news! After two years of research and verification by our technical team, now the TBTRMR-2J supports to equip with the Qd Test Module, thus can meet the following standards: ✅️EN 1436 (RL & Qd) ✅️ASTM E2302 (Qd) ✅️ASTM E1710 (RL) ✅️ASTM E2177 (RL Wet) ✅️ASTM E2832 (RL Continuous Wetting) This means the TBTRMR-2J is one of the very few retroreflectometers worldwide that meets all standard requirements.

Road markings are a critical component of road safety, guiding drivers and ensuring traffic order. Assessing the reflectivity of road markings is essential, and this is where the QD Value comes into play. In this article, we will explore the significance of the QD Value and its role in Retroreflecto