Angular Measurement |
Accuracy Hz, V |
3’’ (1 mgon) |
Display resolution |
0.1’’ (0.1 mgon) |
Method |
absolute, continuous, diametrical |
Compensation |
Quadruple axis compensation |
Compensator setting accuracy |
1.5’’ (0.5 mgon) |
Distance Measurement |
Reflective tape (60 mm x 60 mm) |
250 m (800 ft) |
Accuracy / Measurement Time |
Standard |
1 mm + 1.5 ppm / typ. 2.4 s |
Fast |
3 mm + 1.5 ppm / typ. 0.8 s |
Continuous |
3 mm + 1.5 ppm / typ. <0.15 s |
Distance Measurement (Any Surface) |
Range |
400 m (1310 ft) |
Accuracy / Measurement Time |
2 mm + 2 ppm / typ. 3 s |
Distance Measurement (Long-range) |
Long-range |
>10000 m (>32800 ft) |
Accuracy / Measurement Time |
Long-range: 5 mm + 2 ppm / typ. 2.5 s |
General |
Display resolution |
0.1 mm |
Shortest measurable distance |
1.5 m |
Method |
System analyzer based on phase shift measurement (coaxial, visible red laser) |
Laser dot size (Non-Prism) |
At 30 m: 7 mm x 10 mm, at 50 m: 8 mm x 20 mm |
Operating system & Processor |
Operating System |
Windows CE 6.0 |
Processor |
Freescale i.MX31 533 MHz ARM Core |
Telescope |
Magnification |
30 x |
Free objective aperture |
40 mm |
Field of view |
1° 30’ (1.66 gon) / 2.7 m at 100 m |
Focusing range |
1.7 m to infinity |
Keyboard and Display |
Display |
640 x 480 pixel (VGA) color TFT with LED backlight and touch screen |
Keyboard |
36 keys (12 function keys, 12 alphanumeric keys), illumination |
Position |
face I standard / face II optional |
Memory, Ports & Communication |
Internal memory / Memory devices |
1 GB (nonvolatile NAND Flash) / SD card, USB stick |
Interfaces |
RS232, Bluetooth® Wireless-Technology, USB mini AB OTG |
Operation |
Sensitivity of Circular level |
6’ / 2 mm |
Centering accuracy of Laser plummet |
1.5 mm at 1.5 m |
Number of drives |
1 horizontal / 1 vertical |
Power Management |
Internal Battery |
Lithium Ion |
Operating Time |
5 – 8 h (GEB221) |
Voltage / Capacity |
7.4 V / 4.4 Ah |
Weight and Dimensions |
Weight of Total Station |
4.9 – 5.5 kg / 0.2 kg / 0.8 kg |
Height / Width / Length |
345 mm / 226 mm / 203 mm |
Environmental specifications |
Working / Storage temperature range |
-20° C to +50° C / -40° C to +70° C |
Dust / water (IEC 60529) / Humidity |
IP55 / 95%, non-condensing |