Zehntner offers precise measurement of road marking visibility

First published in The Global Road Safety Review 2015 as Precision road marking measurement

Zehntner precision road marking measurement unitSwiss precision instrument manufacturer Zehntner offers a variety of retroreflectometers for measuring the visibility of road markings, including three portable models: the budget-priced ZRM 6006, the classic ZRM 6013 and the professional-grade ZRM 6014, as well as the vehicle-mounted ZRS 6020.

The user-friendly entry level ZRM 6006 features one button operation for measuring day or night visibility of road markings as well as ambient temperature, while the ZRM 6013 includes a memory for determination of night visibility and day visibility of road markings and ambient temperature.

The vehicle-mounted ZRM 6020 is capable of measuring road marking visibility at speeds up to 150 km/h (93 mph) without obstructing traffic.