Tobii X2-60, User Manual

Page: 32 / 44

Appendix A Tobii X2 – 60 Eye Tracker
Specifications
Table A.1 Gaze Accuracy
G Gaazzee aaccccuurraaccyy 1
TToob biiii X X2 2--6 60 0 E Eyyee TTrraacckkeerr C Coom mp paacctt E Ed diittiio onn ((ffiirrm mw waarree vveerrssiioonn — —
1 1..0 0..5 5))
B Biinnooccuullaarr M Moonnooccuullaarr
At ideal conditions 0.4 0.4
At 25° gaze angle
0.4 0.5
At 30° gaze angle
0.4 0.5
At 1 lux 1.2 1.9
At 300 lux
0.4 0.4
At 600 lux 0.4 0.6
At 1000 lux
0.6 0.9
White stimuli background 1.2 1.9
1. Accuracy under ideal conditions is measured in the center of the head movement box with the participant fixed in a chinrest. Data is collected immediately after calibration in a controlled
laboratory environment with constant illumination with 9 stimuli points at gaze angles of ≤ 20º.
A Accccuurraaccyy aatt iid deeaall cco onnd diittiioonnss — — X X2 2 –– 6 60 0 C Co om mp paacctt E Ed diittiioonn
A Accccuurraaccyy aatt vvaarryyiinng g d diissttaanncceess — — X X2 2 –– 6 60 0 C Coom mp paacctt E Ed diittiioonn
26
Appendix A Tobii X2 – 60 Eye Tracker Specifications Tobii X2-60 Eye Tracker User ’ s manual v.1.0.3 - en-US