SPECIFICATIONS Operation Angle Measurement Measurement Method………………………………………Absolute Encoding Minimum Readout………………………………………………………… 1″/5″/10″ （0.3mgon/1.5mgon/3mgon）adjustable Accuracy1…………………………………………………………………………………… 2” Distance Measurement Single Prism………………… 3000m (9,842ft.) under good condition3 Three Prisms………………6000m (19,685ft.) under good condition3 Reflective Sheet………………………………………………… 800m (2,624 ft.) Accuracy……………………………………………………………………2 mm +2ppm Measuring Time (Fine/ Tracking)……………………………………0.8s/0.3s Operation system…………………………… Real-time Operating System Display………………………… High resolution backlight black and white display with contrast adjustment/ Graphics…………192 x 96 pixels Keyboard………………2 sides Alphanumeric backlit crystal keyboard Trigger key…………………………………………On right instrument support Laser Plummet Type…………………………………………… Laser point, 4 brightness levels adjustment / Optical plummet (optional) Centering Accuracy………………… 1 mm at 1.5m instrument height Total Station Long Ranging, Fast Measurement Power Supply Battery Type………………………………………Rechargeable Li-ion battery Distance Measurement Operating Time With ZBA-400……Optimal 16 hours4 (Continuous angle measurement every 30 seconds) Measuring Times………………………………………… Approx. 12000 times Measuring Time……………………………………………………………………… 1.5s Telescope Weight (without battery)…………………………Approx. 3.7kg (8.16lb.) Minimum Focusing Distance………………………………………………… 1.2m Reticle………………………………………………………………………… Illuminated Environmental Meteorological parameter modification……………………Manually(T-P senser is optional) Compensator System…………… Single-axis liquid tilt sensor/Dual-axis(optional)