• Retroreflectometer-visual


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  • Mobile, user-friendly testing instrument for the visual determination of the night visibility of road markings.
  • Multifunctional, sturdy arm for operation with carrying handle and wheels.
  • Splash-proof for measurements in wet condition.
  • Battery operated.
  • Easy to handle.
  • Sturdy construction.
Designed to comply with smaller budgets, the ZVR 6000 simulates, in reduced scale, the conditions under which road markings are seen at night (RL) by a vehicle driver driving with dipped headlights. The retroreflection is determined visually by comparing the two built-in, exchangeable comparison standards with the road marking to be tested.


  • for road authorities, development laboratories and manufacturers of road marking materials (including glass beads), contractors
  • determination of night visibility of road markings, independent on weather and daytime, on the road or in the laboratory
  • quality control
  • long-term comparison and evaluation of products
  • control of road markings after application and during the warranty period
  • decision on required renewal
  • for all types of road markings


  • handy test instrument with two wheels for easy positioning and moving on the road
  • convenient operation by one person and with one hand
  • multifunctional, sturdy arm for operation with carrying grip and steering assembly
  • splash-proof for measurements in wet condition
  • off-the-line operation owing to batteries
  • exchangeable comparison standards which can be ordered dependent on the planned application area
  • alternatively operated by rechargeable battery cells type AA


simulation distance 30 m
test area 50 mm x 160 mm (2“ x 6.3“)
comparison standards 50 mm x 150 mm (2“ x 5.9“)
observation angle EN 1436: 2.29°, ASTM E 1710: 1.05°
illumination angle EN 1436: 1.24°, ASTM E 1710: 88.76°
testing principle according to Münch
dimensions (LxWxH) 550 mm x 165 mm x 730 mm
weight (21.7“ x 6.5“ x 28.8“) 3,6 kg (7.9 Ibs)
standards EN 1436, ASTM E 1710