Spectra Precision Focus 8 Series - Distance Precision; Measurement Intervals

Spectra Precision Focus 8 Series Total Station User Guide 55
Specifications 5
Distance precision
Measurement intervals
Measurement intervals may vary with the measuring distance or weather conditions.
For the initial measurement, it may take few more seconds.
Focus 8 2"
Precise mode
Prism ± (2 + 2 ppm × D) mm (–20 °C to +50 °C)
Reflectorless ± (3 + 2 ppm × D) mm (–20 °C to +50 °C)
Normal mode
Prism ± (10 + 5 ppm × D) mm
Reflectorless ± (10 + 5 ppm × D) mm
ISO17123-4 for Prism measurement
Focus 8 5"
Precise mode
Prism ± (3 + 2 ppm × D) mm (–10 °C to +40 °C)
± (3 + 3 ppm × D) mm
(–20°C to –10°C, +40°C to +50°C)
Reflectorless ± (3 + 2 ppm × D) mm (–10 °C to +40 °C)
± (3 + 3 ppm × D) mm
(–20°C to –10°C, +40°C to +50°C)
Normal mode
Prism ± (10 + 5 ppm × D) mm
Reflectorless ± (10 + 5 ppm × D) mm
Focus 8 2"
Precise mode
Prism 1.6 sec.
Reflectorless 2.1 sec.
Normal mode
Prism 1.2 sec.
Reflectorless 1.2 sec.
Prism offset correction –999 mm to +999 mm (1 mm step)
Focus 8 5"
Precise mode
Prism 1.5 sec.
Reflectorless 1.8 sec.
Normal mode
Prism 0.8 sec.