Features 01.New ranging circuit system and ultra-low noise broadband amplifier 02.Noise phase analysis algorithm, stronger resistance 03.Temperature and atmospheric automatic correction system 04.Easy-to-use onboard system 05.LCD 6 lines screen High Precision It combines innovative ranging circuit system with self-developed ultra-low noise broadband amplifier to ensure the accuracy of 2mm 2ppm. The mechanical structure benefits the angular accuracy up to 2’’. Excellent Capability The advanced noise phase analysis algorithm greatly reduces the interference of various noises on the phase measurement results under harsh conditions User-Friendly Interface Clear interface supports EXCEL and DAT file import/export; 19-bit code displays makes the point information clear at a glance; The users can add known point files, and invoke their coordinates for all the projects. Specifications Measurement Distance Measurement Range 5000m(Prism) 1000m(Non-Prism) Accuracy 2mm 2ppm(Prism) 3mm 2ppm(Non-Prism) Measuring Time Precise<0.3s, Tracking<0.1s Laser Class 3R laser Angular Measurement Reading System Absolute Encoding Circle Diameter 79mm Minimum Increment 0.1’’/1’’/5’’/10’’ optional Accuracy ±2’’ Detection Method Horizontal: Dual; Vertical: Dual System Size 20cm*19cm*33cm Weight 5.5kg Atmosphere Correction Manual Input, Auto Correction Prism Constant Manual Input, Auto Correction Communication USB, Bluetooth Display Type LCD 6 lines Digital Display Maximum: 99999999.9999 Minimum: 0.1mm (4 decimal places optional) Keyboard Alphanumeric Battery Type Li-battery, 3100mAH Voltage 7.4V DC Battery Life 8h Structure Telescope Image Erect Tube Length 154mm Effective Aperture 45mm Magnification 30X Field of View 1°30’ Resolving Power 3’’ Minimum Focus Distance 1.2m Level Vials Plate Vial 30’’/2mm Circular Vial 8’/2mm Laser Plummet Laser brightness level 5 levels adjustable Tilt Sensor Dual (working range: ±3’, accuracy: 1’’)