Spectra Precision FOCUS 2 Series - Measurement and Instrument Specs

SPECTRA PRECISION FOCUS 2 SERIES TOTAL STATION USER GUIDE
8 – Specifications
139
Distance measurement
Angle measurement
Range with specified prisms (Good conditions)
1
1
Good conditions (good visibility, overcast, twilight, underground, low ambient light).
Single prism 2.5 m to 4,000 m (8.2 ft to 13,123 ft)
Reflectorless
2
2
Measuring distance may vary depending on targets and measuring conditions.
500 m (1,640 ft)
Shortest possible range 1.0 m (3.3 ft)
Accuracy (Precise mode) ISO 17123-4
Prism ±(2+2 ppm × D) mm
Reflectorless
3
3
Accuracy 1.0 m to 5.0 m (3.3 ft to 16.4 ft) is ±8 mm.
±(3+2 ppm × D) mm
Measuring intervals
4
4
Measuring time may vary depending on measuring distance and conditions. For the initial measurement, it may take a few
more seconds.
Fine 0.3 sec.
Normal 0.2 sec.
Accuracy (ISO17123-3)
Horizontal and vertical 2" / 0.6 mgon
5" / 1.5 mgon
Reading system Absolute encoder
Circle diameter 79 mm (3.1 in)
Horizontal/Vertical angle Diametrical
Minimum increment Degree: 1" or 5"
Gon: 0.2 or 1 mgon
MIL6400: 0.005 or 0.02 mil