Electronic Protractor ArcoMaster Technical data Display accuracy: 0.1 ° IP54 Water and dust protection Category Digital goniometer Side A 600 mm Angle setting (max.) 220 ° Accuracy ± 0.2° Material Aluminium Length 650 mm Width 40 mm Height 57 mm Weight 1005 g Calibrated to Manufacturer's standards (no certificate) Description Digital electronic protractor with an additional integrated detachable bevel for measuring angles at places difficult to access. Two large illuminated LC- displays, the front diagonal and hence can also be read from above, a second display on the rear side for two-sided working. Both the displays can be rotated by pressing a button (flip-display). By means of other function keys the last angle measured can be retrieved. It can be used at all places where inner and outer angles of 0 - 220° need to be determined exactly. Whether measuring roof slopes, fitting furniture or windows at corners and edges. Features 2 illuminated large LC-displays (digit height 13 mm) Extractable bevel integrated Additional horizontal and vertical spirit level Tough aluminium housing Hold function Automatic power off. Included in delivery Soft bag. Batteries.