SOKKIA SDL30 Digital Level

The SDL30 digital level makes quick work of measuring height and distance in all types of environments— from low light to bright sunlight and artificial light. It provides unwavering accuracy in the field even in adverse environments such as tunnels, heat shimmer, and vibration. Its large internal memory, digital display, and simple operation ensure fast and accurate measurements. Key SLD30 features include: High accuracy under adverse lighting and environments Four measurement modes: single-fine, repeat-fine, average and tracking Water and shock resistant 2000-point internal memory Li-ion power system for up to 8.5 hours of continuous operation - See more at: http: / / us.sokkia.com/ products/ levels-accessories/ automatic-levels/ sdl30-digi tal-level# sthash.v05NP0M8.dpuf SDL30 Digital Level Telescope magnification 32x Objective aperture 45mm Minimum focus 1.5m ( 5.0ft.) Height accuracy ( Standard deviation for 1km double-run leveling) With Invar RAB-code staves 0.6mm ( 0.03in.) With Fiberglass RAB-code staves 1.0mm ( 0.04in.) Distance accuracy ( Standard deviation) 10 to 50m ( 33 to 160ft.) : ± 0.1% × D Measuring range 1.6 to 100m ( 5.3 to 328ft.) Minimum display ( selectable) Height Single, Repeat or Average mode: 0.0001m / 0.001m, 0.001ft. / 0.01ft. or 1/ 8in. Tracking mode: 0.001m, 0.01ft. or 1/ 8in. Distance Single, Repeat or Average mode: 0.01m, 0.1ft. or 1in. Tracking mode: 0.1m, 1ft. Compensator Working range ± 15' Water protection IPX4 ( IEC 60529) Weight with battery 2.4kg ( 5.3lb.)