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Zehntner Marking Retroreflection

ZRM 6006 RL-Qd

An entry-level and easy to use retroreflectometer
  • User-friendly and entry-level with one button operation
  • Ultrafast retroreflection measurement
  • Efficient and precise in various conditions

Applications:

Determination of night visibility (RL) of road and airport markings / Determination of day visibility (Qd) of road and airport markings / Use on all types of road and airport markings / Field and laboratory use / Quality assessment

Measure both night visibility (RL) and day visibility (Qd) with the touch of a button
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Ease of use
Entry-level device, ideal for measuring night visibility (RL) and day visibility (Qd) of road markings and ambient temperature with a touch of a button
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Versatility
Ultrafast retroreflection measurement (RL and Qd) in about 2 seconds for all types of road markings
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Efficiency
Use in dry or wet condition, day or night, on the road or in the laboratory

Swiss Made
ZRM 6006 RL-Qd Tech Specs
Sensor
Tech Specs
Display
Transflective luminous LCD display with LED backlight

Memory
None

Measurement Modes
R L dry (night visibility)
R L wet (night visibility)
Qd (day visibility)
°C/°F (ambient temperature)
rH % (relative humidity)

Measuring Area
(WxL): 52mm x 218mm (2.05" x 8.6")

Measuring Range
RL: 0 - 4’000 mcd•m-2•lx-1
Qd: 0 - 400 mcd•m-2•lx-1

Measuring Accuracy
Repeatability ± 2 %

Observation Angle
EN 1436 & ASTM E2302: 2.29°
ASTM E1710: 1.05°

Illumination Angle
RL: EN 1436: 1.24°
RL: ASTM E1710: 88.76°
Qd: diffuse

Weight
6.4kg (14.1 lbs)

Operating Temperature
-10°C to +50°C (14°F to 122°F), non condensing

Innovation Award
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FAQ

What is retroreflection (night visibility)
Retroreflection, also called night visibility, is a specific type of light reflection when the light rays goes on a surface and comes back to the source of light. This principle is a pillar in road safety. Indeed, the vehicles lamps during the night enable to see the road markings, road signs and conspicuity tapes. A retroreflectometer is used to measure the retroreflection performance of the surface. The retroreflection (often written “R”) is measured in mcd. m-2. lx-1.

What is day visibility?
Day visibility is the luminance coefficient under diffuse illumination (from the sun or urban lightning). This principle is important in road safety. Vehicles drivers must be able to see the road markings and signs . A retroreflectometer is used to measure the day visibility performance of the surface. The day visibility (written “Qd”) is measured in mcd. m-2. lx-1

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Standards & Guidelines

Standards

  • Arrow, click names to download Standards & Guidelines ASTM E1710-18
  • Arrow, click names to download Standards & Guidelines ASTM E2177
  • Arrow, click names to download Standards & Guidelines ASTM E2302
  • Arrow, click names to download Standards & Guidelines CIE 54.2
  • Arrow, click names to download Standards & Guidelines EN 13197
  • Arrow, click names to download Standards & Guidelines EN 1436