Product description Angle Measurement Measurement Method Absolute encoding
Minimum Readout 1 ” / 5 ” / 10 ” ( 0.3mgon/ 1.5mgon/ 3mgon) , adjustable
Accuracy 2 ”
Distance Measurement
( with Reflector) Single Prism 3000m ( 9, 842ft) under good condition
Three Prisms 6000m ( 19, 685ft) under good condition
Reflective Area 800m ( 2, 624ft)
Accuracy 2 mm+ 2ppm
Measuring Time ( Fine/ Quick/ Tracking) 0.5s/ 1s/ 1.5s
Distance Measurement ( without Reflector) Range 350m ( 1, 148ft)
Single Prism > 7500m ( 24, 606ft)
Accuracy 3mm+ 2ppm
Measuring Time 1.5s
Telescope Magnification 30×
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 card, 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× 96 pixels/ Character: 6 lines× 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 ( 1.5m height of instrument)
Power Supply Battery Type Rechargeable Li-ion battery
Voltage/ Capacity ZBA-400: 7.4V ( DC) / 3000mAh
Operating Time With ZBA-400 Optimal 16 hours ( Continuous angle measurement every 30 seconds) / 10 hours ( typical)
Measuring Times Approx. 12000 times
Weight( including battery and tribrach) Approx. 5.5kg ( 12.1lb)
Environmental Conditions Operating Temperature -20 to + 50 ( -4 to + 122 )
Storage Temperature -40 to + 70 ( -40 to + 158 )
Dust & Water Proof ( IEC60529 Standard) / Humidity IP65, 95% , non-condensing.