AUTOMATIC LEVEL SERIES Distributor & Servis: Alat Telkomunikasi, Alat Industri, Alat Survey, Total Station, Digital Theodolite, Automatic Level, Line Tracer, Metal Detectors, Leica, Fisher, GPS Epoch, Trimble, DLL Terlengkap

A dumpy level, builder's auto level, leveling instrument, or automatic level is an optical instrument used in surveying and building to transfer, measure, or set horizontal levels. The level instrument is set up on a tripod and, depending on the type, either roughly or accurately set to a leveled condition using footscrews (levelling screws). The operator looks through the eyepiece of the telescope while an assistant holds a tape measure or graduated staff vertical at the point under measurement. The instrument and staff are used to gather and/or transfer elevations (levels) during site surveys or building construction. Measurement generally starts from a benchmark with known height determined by a previous survey, or an arbitrary point with an assumed height.