Retroreflection marketing testing is used to determine the night visibility (RL) and day visibility (Qd) of all types of road markings as well as ambient temperature (°C/°F) and relative humidity (RH %).
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Zehntner ZRM 6006 Retroreflectometer RL/QdZehntner ZRM 6006 Retroreflectometer RL/Qd. Budget priced user-friendly entry level retroreflectometer with single button operation for measuring night and day visibility of road markings..
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Zehntner ZRM 6013+ Retroreflectometer RL/QdZehntner ZRM 6013+ Portable Retroreflectometer RL/Qd. Retroreflectometer with memory for determining the day and night visibility of road markings.
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