| 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 | |
A1
• 1st Android OS Total Station
• Quadcore Processor 1.3GHZ
• 1km Non-Prism Mode Range
• 5km Prism Mode Range
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