Details

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Key features of the AXIS 1 and AXIS 2

Feature	AXIS 1	AXIS 2
Angle Accuracy	2 arcseconds	2 arcseconds
Distance Accuracy	±(2mm+2ppmD) with a prism ±(3mm+2ppmD) without a prism	±(2mm+2ppm)
Non-Prism Range	1,500m (4,921 ft)	1.5–2km (0.9–1.2 miles)
Prism Range	5,000m (16,404 ft)	Up to 5km (3.1 miles)
Display	3.1-inch, 8-line LCD with backlight	Iconic interface with hot keys
Connectivity	USB 2.0 and Bluetooth 2.1	USB connectivity
Working Time	Up to 16 hours on a single charge with a 3,000mAh battery	Up to 16 hours of continuous operation
Measuring Speed	Fine: 0.3s Normal: 0.2s	0.3s
Tilt Compensation	Dual-axis, 4' range	4' range
Onboard Programs	Stakeout arc, angle offset, point projection, roads, etc.	Resection, stakeout, offset, reference line, MLM, REM, roads, etc.
Additional Features	Built-in guide light, IP55 rating for dust and water resistance	Built-in guide light, IP66 rating for dust and water resistance

Comparison between 
AXIS 1
 and 
AXIS 2

• Distance Measurement: The 
  AXIS 2
   has a slightly higher non-prism range of up to 2km compared to the 
  AXIS 1
  's 1.5km. Both offer similar accuracy when using a prism.
• Display: While both are easy to read and use, the 
  AXIS 1
   features a specific 3.1-inch, 8-line alphanumeric LCD. The 
  AXIS 2
   features an "iconic" display with hotkeys for quick function access.
• Programs: Both instruments are equipped with practical onboard programs to guide the user through a fluent workflow for various surveying tasks.
• Battery and Data: Both models boast a long battery life and offer easy data transfer via USB.
• Key Distinction: One of the main differences is the reflectorless EDM capability, where the 
  AXIS 2
   offers a slightly longer range. The models are very similar, with the choice often coming down to specific feature needs and the available reseller promotions.