Zehntner ZDR This is an advanced vehicle-mounted retroreflectometer designed for safe, efficient, and continuous measurement of road marking visibility at traffic speed. Capable of performing up to 300 measurements per second, the ZDR delivers highly accurate retroreflection data without interrupting traffic flow. It is ideal for large-scale highway inspections, periodic road safety audits, and network-level […]
This is an advanced vehicle-mounted retroreflectometer designed for safe, efficient, and continuous measurement of road marking visibility at traffic speed.
Capable of performing up to 300 measurements per second, the ZDR delivers highly accurate retroreflection data without interrupting traffic flow. It is ideal for large-scale highway inspections, periodic road safety audits, and network-level visibility assessment.
This system enables road authorities and infrastructure agencies to monitor road marking performance efficiently across long distances, reducing manual labor and improving inspection productivity.

IS, ASTM, ISO, BS & EN compliant instruments. NABL-aligned calibration certificates on request.
Our engineers specify the right instrument for your test standard, lab setup and budget.
Annual maintenance contracts, on-site calibration and installation. Lifetime technical support.
Fast, safe dispatch from our Vasai warehouse. Instruments packed to transit standards.
Vasai-based ISO 9001:2015 certified manufacturer and supplier of precision testing equipment for civil engineering, NDT, pharmaceutical and paper industries. Our instruments are trusted by government testing laboratories, NABL-accredited facilities, infrastructure contractors and research institutions across India. Learn about us →
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