Angle Measurement
Measurement Method: Absolute Encoding
Minimum Readout: 1″/5″/10″（0.3mgon/1.5mgon/3mgon）adjustable
Accuracy1 : 2”
Distance Measurement (ZTS-320 with Reflector)
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/Quick/Tracking): 1.5s/1s/ 0.5s
Distance Measurement(ZTS-320R Reflectorless)
Reflectorless2 Range: 350m (1,148 ft.)
Single Prism: >7500m (24,606ft.)
Accuracy: 3mm+2ppm
Measuring Time: 1.5s
Telescope
Magnification: 30X
Field of View: 1°30′ (2.7m at 100m)
Minimum Focusing Distance: 1.5m
Reticle: Illuminated
Compensator
System: Single-axis liquid tilt sensor/Dual-axis (optional)
Working Range: ±3′
Setting Accuracy: 1″
Communication
Bluetooth
Interface: Standard RS232, SD card4, USB pen drive, mini-B
Internal Data Memory: Approx. 20,000 Points
Data Format: ASCII
Operation
Operation system: Real-time Operating System
Display: High resolution backlight black and white display with contrast adjustment/ Graphics: 192 x 96 pixels / Character: 6 lines x 25 characters
Keyboard: 2 sides Alphanumeric backlit crystal keyboard
Laser Plummet
Type: Laser point, 4 brightness levels adjustment / Optical plummet (optional)
Centering Accuracy: 1 mm at 1.5m instrument height
Power Supply
Battery Type: Rechargeable Li-ion battery
Voltage/Capacity: ZBA-400: 7.4V (DC) / 3000mAh
Operating Time With ZBA-400: Optimal 16 hours5 (Continuous angle measurement every 30 seconds) / 10 hours (typical)
Measuring Times: Approx. 12000 times
Weight
Weight (Incl. Battery & Tribrach): Approx. 5.5kg (12.1lb.)
Environmental
Operating Temperature: -20℃ ~﹢50℃( -4℉ to +122℉)
Storage Temperature: -40℃ ~﹢70℃(-40℉to + 158℉)
Dust &Water Proof (IEC60529 Standard)/Humidity: IP65, 95%, non-condensing
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