Travelling Beam Device
The 3 meter long Travelling Beam Device is used to check for any irregularities in both concrete and bituminous road surfaces. A sensing unit comprising a wheel connected to an indicator provides a magnification of 4:1.
Deviation of the surface from a straight-line is shown on a scale calibrated in increments of 2 mm in the 0-10 mm range and 5 mm increments in the 10-25 mm range.
Travelling Beam Device comprises a manualdye marker which is usedto mark irregular surface sections when found.
Wooden box should be ordered separately.
EN 12697-32, 13280-4, BS 598-104
