A1

• 1st Android OS Total Station
• Quadcore Processor 1.3GHZ
• 1km Non-Prism Mode Range
• 5km Prism Mode Range

Model A1 1″ A1 2″
Distance Measurement (Reflector)
Range 5000m
1000m
Accuracy ±(1+1×10¯⁶D)mm ±(2+2×10¯⁶D)mm
Measure Time Continuous: 0.35s, Tracking: 0.2s, Single: less than 1.2s
Distance Measurement (Reflectorless)
Range (Kodak Standard Gray, 90% Diffuse Reflectance)* 1000m
Accuracy 0-300m 3+2     300-600 5+2     >600m 10+2
Measure Time Continuous: 0.35s, Tracking: 0.2s, Single: less than 1.2s
Angle Measurement
Detection Method Absolute Encoding
Diameter of Encoding Disk 79mm
Min. Reading 0.1″/1″ 1″
Accuracy 1″ 2″
Telescope
Image Erect
Tube Length 152mm
Effective Aperture Effective: 45mm DTM:47mm
Magnification 30X
Field of View 1˚30′
Resolution 3″
Min. Focusing Range 1.5m
Comprehensive parameter
Sensor Dual-axis Liquid-Electric Sensor (Range: ±3′, Accuracy: 1″)
Atmospheric Correction T-P Sensor Auto Correction
Prism Constant Auto Correction
Trigger Under Battery House
Vial
Plate Vial 30″/2mm
Circular Vial 8’/2mm
Plummet Laser Plummet (Optical Optional)
Data Transfer RS-232C, USB, Bluetooth, Flash Disk
Display Unit
Type LCD, Graphic
Size 5.0 Inch
Graphic Display Max:99999999.999     Min: 0.1mm Max: 99999999.999     Min:1mm
Battery
Power Supply Lithium Battery
Voltage 7.4V
Working Hours 8Hours
Dimension and Weight
Dimension 206x200x353mm
Weight 6.0kgs
Storage
ROM 16GB
RAM 2GB
Function
GPS Available
Voice Recording Available
CPU mt6735
Data and Network
Data Transfer Bluetooth, WiFi, WiFi Hotspot
4G Available
3G/2G Available
System Version (Sept. 2018) Android 5.1

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