High accuracy
Zone40 H with high self-leveling accuracy of +/- 1/32 inch (1.5 mm) at 98.43 ft (30 m) and provides the best performing system for any leveling application on any job site. It has a top working range diameter of 3000 ft (900 m) with the ZRP105 and ZRD105 receivers. It not only allows you to transfer benchmark and level foundations or fields, but it is also unbeatable when checking concrete height and doing manual slopes for ramps and landscapes.