• Retroreflectometer


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  • For the determination of 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 %) combined in one compact instrument.
  • 5.7“ high resolution colour touchscreen with excellent visibility under all lighting conditions.
  • Fold-away telescopic handle and wheels for the first time included in the standard delivery for easy ield and laboratory operation.
  • Ultrafast measurement of RL and Qd in about 2 seconds.
  • Innovative options to customize the instrument to personal requirements. World irst camera in the perspective of the measuring geometry, compass and level-meter, GPS unit and various printer versions.
  • Easy to use menu navigation.
  • In accordance with EN 1436 (for RL and Qd),ASTM E 1710 (for RL),ASTM E 2302 (for Qd) ASTM E 2177 (for RL wet).
  • Factory calibration traceable to the independent accreditation body METAS, Switzerland.
  • Approved by the accredited association StrAus-Zert, Germany (test No.: 0913-2010-06).


Night- and day visibility
Features of standard delivery
  • Top quality presicion instrument with sturdy aluminium housing meets highest demands.
  • Easy to use due to large, well-arranged touchscreen, readable under all lighting conditions.
  • Extendable fold-away telescopic handle and wheels for comfortable and ergonomic ield operation.
  • Comfortable and easy use in laboratories by means of the fold-away telescopic handle with pivoting display.
  • Integrated wet-timer (stop watch) carries out the measurement automatically after expiry of the set time.
  • Automatic stray light supervision and compensation, particularly important for measuring proiled markings.
  • Through V(l) adaptation markings of all colours can be measured without recalibrating the instrument.
  • Ultrafast measurement in about 2 seconds for RL and Qd; single RL or Qd in about 1 second.
  • Intelligent, easy-to-use menu navigation in several languages.
  • In the interval mode continuous measurements are taken. This mode can be used e.g. to deine the performance of the retrorelection of a marking in dependence on the efluent water at wet measurements.
  • Intelligent calibration: automatic zero, RL and Qd calibration at the touch of a button.
  • Measurement of ambient temperature and relative humidity.
  • Multiple measurements with continuously updated average; additionally each single measurement is stored.
  • Easy data management of the measuring data in the instrument‘s archive. Sorting by date, job, user or measurements with pictures allows fast location of the required data.
  • Data transfer to printers or USB lash drives (memory stick) within seconds using the builtin USB-interface.
  • Easy evaluation and export to Microsoft Excel through the included mapping and data analysis software "MappingTools".
  • Compact dimensions and low weight for easy transportation.
  • The device is CE approved and in accordance with RoHS requirements.
  • In accordance with the standards ASTM E 1710 (RL),ASTM E 2177 (RL wet),ASTM E 2302 (Qd) and EN 1436 (RL and Qd).
Features of options
  • The camera takes pictures in the perspective of the measuring geometry for additional visual evaluation of road markings.
  • The data of the compass and level-meter deliver additional information to the measuring values.
  • If the ZRM 6014 is equipped with a WAAS GPS unit, it is possible to display the measurement in the included mapping and data analysis software „MappingTools“.
  • Optional built-in thermal printer or portable USB-printer for easy printouts directly on site.
  • Data transfer within seconds via bluetooth-interface.
  • Measuring principle along the lines of the introduction road.



Standard delivery
  • 1 battery operated retrorelectometer with 5.7“ colour touchscreen, extendable fold-away handle and fixed mounted wheels
  • 1 mapping software „MappingTools“
  • 1 calibration standard
  • 1 universal battery charger (100V to 240 V, 50Hz to 60 Hz)
  • 1 USB-cable for data transfer to PC/laptop
  • 1 instruction manual
  • 1 quick guide
  • 1 certiicate of manufacturer
  • 1 certiicate of calibration
  • 1 carrying case with wheels



  • ACC540 camera for pictures in the same geometry • ACC541 compass and level-meter
  • ACC543 WAAS GPS unit
  • ACC546 bluetooth-interface
  • ACC227 built-in thermal printer
  • ACC547 portable USB-printer
  • ACC090 voltage converter DC/AC 12V/230V
  • ACC175 2nd calibration standard RL & Qd measured by Zehntner incl. certiicate



Technical specification
Equivalent observation distance30 m
Observation angleEN 1436: 2.29°, ASTM E 1710: 1.05°
Illumination angle RLEN 1436: 1.24°, ASTM E 1710: 88.76°
Illumination angle Qddiffuse / diffus
Measuring sensor adaptionV(l)
Measuring area (WxL)52 mm x 218 mm (2.05“ x 8.6“)
Measuring range (RL)0 - 4’000 mcd•m-2•lx-1
Measuring range (Qd)0 - 400 mcd•m-2•lx-1
Measuring range proiled markings5 mm (0.2“)
up to 12 mm (0.5“) with instruction / bis 12 mm mit Anleitung
Repeatability± 2%
Reproducibility± 5%
Measuring time RL/Qd
without pictures
≈2 s
Measuring time single
without pictures
≈1 s
Memoryinternal lash memory / interner Flashspeicher
Memory size1 GB
Memory capacity50‘000 measurements without pictures /
Messungen ohne Bilder
InterfaceHost USB (type A / Typ A),Client Mini USB (type B / Typ B)
Interface optionalBluetooth
Display colour touch-screenVGA 5.7“
Pictures (resolution / format)600 px x 230 px, 97 dpi, jpg
AccumulatorLi-Ion-Mn 14.8 V / 6.3 Ah
Operating temperature-10°C - +50°C (14°F - 122°F),
non condensing / nicht kondensierend
Storage temperature-20°C - +60°C (-4°F - 140°F)
Material housinganodised aluminium / Aluminium eloxiert
Length658.5 mm (25.9“)
Width190 mm (7.5“)
Height408.5 mm (16.1“)
Weight7.5 kg (16.5 Ibs)
StandardsEN 1436 (RL/Qd),ASTM E 1710 (RL),ASTM E 2302 (Qd),
ASTM E 2177 (RL wet / nass)
ApprovalStrAus-Zert, Germany (test No.: 0913-2010-06)
StrAus-Zert, Deutschland (Prüf-Nr.: 0913-2010-06)
Warranty2 years / Jahre