PORTABLE GAUGE, MODEL PRL/60
Standardized instrument suitable to determine:
a) side flatness along the diagonal and straightness of the edges in brick hollow tiles of every size. Norm UNI EN 11128 (sliding rule)
b) Longitudinal and cross straightness of flat brick roof tiles, decorative flat tiles, with side joint, side and front joint, channel-type.
Norm UNI EN 1024