RetroSign GR1 & GR3 · Retroreflectometer
15
GR3 type CEN
The illumination angle is +5°. The offsets between the illumination and the primary observation angle are 0.33° (GR1)
and the three observation angles are 0.33°, 0.5°and 1.0° (GR3) respectively. The measurement area is approx. ø 30
mm. in the standard configuration, ø 15 mm or ø 10 mm when using the reduced aperture adaptors.
CEN geometry
GR1 type SAFETY
The illumination angle is +5° and the offsets between the illumination and observation angle is 0.2°. The measurement
area is approx. ø 30 mm. in the standard configuration, ø 15 mm or ø 10 mm when using the reduced aperture adaptors.
CEN EN 471 geometry
Battery
The RetroSign is powered by a replaceable rechargeable battery, which under normal operation will keep the Retroref-
lectometer operating for many hours. The battery must be recharged by the included external charger. See
Section 4 -
Battery
.
0.2°
Cloth
