Range: 400 Cross section: 50 mm x 22 mm Magnet: no Max. total accuracy vial: 0.5 mm/m = ±0.029° top quality spirit levels with plane surfaces ; rugged light alloy rectangular profile. from up 1500 mm length with extrem solid wallthickness ; with 1x horizontal vial and 1x vertical vial ; barrel-shaped vials with patented SOLID built-in system. permanent fixed and constantly aligned with the profile ; surfaces in stratosilver elocated ; measuring accuracy adjusted by electronical adjustment and at final inspection ; measuring accuracy in normal position 0.5 mm/m = 0.029°. with reversal measurement minimum 0.75 mm/m = 0.043° plane. rectangular aluminium profile. extruded and warm cured made in germany
