ZRP 6030 Retroreflectometer

The Zehntner-Retrorelectometer measures the night visibility (coefficient of luminous intensity R and RI respectively) of road studs as seen by a vehicle driver driving with dipped headlight. This renders an objective determination of retroreflection possible.

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ZRS 6030 Retro­reflectometer

Measuring system with high long-term stability

  • Portable handheld retroreflectometer for determination of the night visibility (coefficient of luminous intensity R and Rrespectively) of road studs, ambient temperature (°C/°F) as well as relative humidity (rH %)
  • For all types of retroreflective road studs
  • Usable at any time of the day or night
  • With memory as well as interfaces for PC and printer
  • Measuring system with high long-term stability ensures constant measuring accuracy and thus reliable measuring results; automatic self-diagnosis avoids mismeasurements
  • Factory calibration traceable to the independent Swiss Federal Institute of Metrology METAS

Standards

Product standards:
ASTM E1696 (withdrawn 2013)
EN 1463-2

General basic principle standards:
CIE 54.2


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