Zehntner ZRM 6014 Retroreflectometer RL/Qd

Expert Level Field and Laboratory Retroreflectometer with many options

The Zehntner ZRM 6014 gives you expert level, portable, handheld testing capability for determination of night and day visibility for all types of road and airport markings. This model also offers a high resolution camera option with built in zoom for detailed inspection of the markings.

  • Fold-away telescopic handle and wheels standard
  • Factory calibration traceable to the independent Swiss Federal Institute of Metrology
  • Ultrafast retroreflection measurement (RL and Qd) in about 2 seconds
  • Use in dry or wet conditions at any time of day or night on the road or in the laboratory
  • High-resolution Camera
  • Optional compass and level-meter

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

Touchscreen 5.7 colour TFT (LCD), LED backlight, VGA resolution

1 GB internal flash memory

Measurement Modes
RL dry (night visibility)
RL wet (night visibility)
Qd (day visibility)
C/F (ambient temperature)
rH % (relative humidity)
Measuring Area
(WxL): 52 mm x 218 mm (2.05" x 8.58")

Measuring Range
RL: 0 - 4000 mcdm-2lx-1
Qd: 0 - 400 mcdm-2lx-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
7.6 kg (16.76 lbs )

Operating Temperature
-10C to +50C (14F to 122F)


ASTM E1710
ASTM E2177
ASTM E2832
EN 1436
EN 13197
CIE 54.2
JT/T 690
GB/T 16311
GB/T 21383
DB 51 T2429