Tobii X2-30 Eye Tracker Compact Edition, Product Description

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Table 2.2 Gaze Precision (Preliminary)
G Gaazzee p prreecciissiio onn
TTo ob biiii X X2 2--6 60 0 E Eyyee TTrraacckkeerr C Coom m--
p paacctt E Ed diittiioonn
T Toob biiii X X2 2--6 60 0 E Eyyee T Trraacckkeerr W Wiid dee
E Ed diittiio onn
B Biinno occuullaarr M Moonnooccuullaarr B Biinnooccuullaarr M Mo onnooccuullaarr
Artificial Eye
With Stampe filter 2
1 Pending Pending Pending Pending
Without filter Pending Pending Pending Pending
Human Eye With Stampe filter 2 Pending Pending Pending Pending
Without filter
0.32 0.43 0.32 0.43
1. Stampe (Behavior Research Methods, Instruments & Computers, 1993, 25 (2), pp.137-142) describes a noise reduction filter commonly used for eye tracking data. In these measurements, the
Stampe stage 2 algorithm has been applied.
Table 2.3 Eye Tracking Specifications (Preliminary)
TToob biiii X X2 2--6 60 0 E Eyyee TTrraacckkeerr C Co om m--
p paacctt E Ed diittiioonn
TTo ob biiii X X2 2--6 60 0 E Eyyee TTrraacckkeerr W Wiid dee
E Ed diittiioonn
S Saam mp plliinng g rraattee 60 Hz
(std. deviation approx. 0.1Hz)
60 Hz
(std. deviation approx. 0.1Hz)
TToottaall ssyysstteem m llaatteennccyy
48 – 67 ms 48-67 ms
TTiim mee ttoo ttrraacckkiinng g rreecco ovveerryy For blinks: immediate For blinks: immediate
H Heeaad d m moovveem meenntt
1
Freedom of head move-
ment at 70 cm (width x
height)
50 x 36 cm (20 x 14 ʺ ) 50 x 36 cm (20 x 14 ʺ )
Operating distance
(eye tracker to subject)
45 – 90 cm (15.7 – 33.5 ʺ ) 50 – 100 cm (20 – 39 ʺ )
R Reeccoom mm meennd deed d ssccrreeeenn ssiizzee up to 22 ʺ up to 27 ʺ
D Daattaa ssaam mp pllee o ouuttp puutt Timestamp, eye position, gaze point,
pupil diameter, validity code Timestamp, eye position, gaze point,
pupil diameter, validity code
1. Freedom of head movement describes the volume in front of the tracker in which the user must have at least one of the eyes. The numbers are specified parallel/orthogonal to screen surface, as-
suming eye tracker is at 20 degree angle to screen.
Table 2.4 Eye Tracking Units (Preliminary)
T Toob biiii X X2 2--6 60 0 E Eyyee T Trraacckkeerr C Coom mp paacctt E Ed diittiioonn TToob biiii X X2 2--6 60 0 E Eyyee TTrraacckkeerr W Wiid dee E Ed diittiioonn
E Eyyee ttrraacckkeerr p prro occeessssiinng g
uunniitt
Tobii X2-60 Eye Tracker external processing
unit Tobii X2-60 Eye Tracker external processing
unit
C Coonnnneeccttoorrss USB 2.0 USB 2.0
W Weeiig ghhtt
200 g (7.1 oz) 250 g (8.8 oz)
S Siizzee
184 x 28 x 23 mm (7.2 x 1.1 x 0.9 ʺ ) 400 x 28 x 23 mm (15.7 x 1.1 x 0.9 ʺ )
M Moouunnttiinng g ssoolluuttiio onnss Adhesive Mounting brackets for monitors, lap-
tops and tablets. Desk Stand Accessory pack-
age for Tripod and desks Adhesive Mounting brackets for monitors,
laptops and tablets. Desk Stand Accessory
package for Tripod and desks
Table 2.5 Tobii X2-60 Eye Tracker external processing unit
C Coonnnneeccttoorrss USB 2.0, LAN and power connector
S Siizzee
116.6 x 112 x 39 mm (4.6 x 4.4 x 1.55 ’’ )
W Weeiig ghhtt
500 g (17.6 oz)
6
2 Technical Specifications Product Description v.1.0 - en-US