SPECTRA PRECISION FOCUS 2 SERIES TOTAL STATION USER GUIDE
8 – Specifications
140
Telescope
Tilt sensor
Communications
Power
Tube length 154 mm (6.0 in.)
Image Erect
Magnification 30 ×
Effective diameter of objective 45 mm (1.8 in.)
EDM diameter 50 mm (2.0 in.)
Field of view 1°30'
Resolving power 3.0''
Minimum focusing distance 1.0 m (3.3 ft)
Laser pointer Coaxial Red Light
Type Dual-axis
Method Liquid-electric detection
Compensation range ±3.0'
Communication ports 1 × serial (RS-232C)
Data interface SD card, mini USB
Internal Ni-MH battery 2
Output voltage 6.0 V DC
Operating time
1
1
Battery life specification at 25 °C (77 °F). Operation time may be shorter in low temperatures or if the battery is not new.
about 13 hours
Charging time Full charge: 4 hours