Page 24
7.3 Wet measurements
The ZRM 6006 is perfectly suitable for measuring night and day visibility on wet
roads and on moistened road markings (e.g. according to the “bucket” method)
•
Set a timer (e.g. stopwatch) depending on the standards
•
Moisten the road marking in the required
way, e.g. with the “bucket” method.
The ZRM 6006 should be far enough away that it will not get wet.
•
Start the timer.
•
Wait until approx. 10 seconds before the timer setting expires and set the
instrument onto the previously moistened road marking.
•
Start the measurement when the timer reached zero.
Never pour water on the instrument.
Never dip the ZRM 6006 into water.
Do not expose the ZRM 6006 to the rain.
Summary of Contents for Zehntner ZRM 6006
Page 1: ...ZRM 6006 Retroreflectometer RL Qd Instruction Manual from Firmware v 1 3 ...
Page 2: ......
Page 15: ...15 ...