Zehntner Marking Retroreflection

ZRM 6013+ RL-Qd

Zehntner Marking Retroreflection

ZRM 6013+ RL-Qd

Professional retroreflectometer for day and night visibility

Ultrafast retroreflectometer measurement

Portable instrument used in various conditions and environments

High resolution transflective luminous graphical display

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

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For all types of road and airport markings

Efficiency

Ultrafast retroreflectometer measurement (RL and Qd) in about 2 seconds for all types of road markings

Versatility

Use in dry or wet conditions at any time of day or night on the road or in the laboratory

User Experience

5.7” high resolution colour touchscreen with excellent visibility under all light conditions

Instrument

Tech Specs

Display

Touchscreen 5.7" color TFT (LCD), LED backlight, VGA resolution

Memory

1 GB internal flash memory

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 8.58")

Measuring Range

R_L: 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

R_L: EN 1436: 1.24°
R_L: ASTM E1710: 88.76°
Qd: diffuse

Weight

6.8kg (14.99 lbs)

Operating Temperature

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

PDF Version

Leading the Way in Road Safety - Zehntner brochure

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Standards & Guidelines

Standards

ASTM E1710-18

ASTM E2177

ASTM E2302

CIE 54.2

EN 13197

EN 1436

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...

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...