EyeLink® Portable Duo

Product catalog summary

Overview: The EyeLink Portable Duo by SR Research is a versatile eye tracker designed for high-quality data collection across various settings, including medical, educational, and home environments. It offers dual data collection modes for both head free-to-move and head-stabilized tracking, ensuring precision and accuracy.

Key Features:

Compact camera hardware for precise data collection.
Dual-use system with remote and head-stabilized modes.
Binocular sampling rate of up to 2000 Hz (head stabilized) and 1000 Hz (head free-to-move).
Complies with IEC 60601-1 medical certification standards.

Portability and Usability: Designed for easy transport, the system fits into a carry-on bag and includes a laptop host PC, compact head support, and a gamepad response device. The software features a user-friendly interface for quick calibration and data collection.

Technical Specifications:

Sampling Rate: Up to 2000 Hz (head stabilized), 1000 Hz (head free-to-move).
Accuracy: As precise as 0.15°.
Spatial Resolution: 0.01°.
Low noise levels with adjustable filter settings.
Certifications: IEC 60601-1, ISO 15004-1, among others.

Software and Compatibility: Compatible with existing EyeLink applications, the system offers free SDKs for various operating systems and supports integration with software like E-Prime, MATLAB, and PsychoPy.

Data Analysis Tools: The EyeLink Data Viewer provides tools for visualization and analysis, including animation playback, spatial overlay, and temporal graph views, and supports report generation for statistical analysis.

Support and Resources: SR Research provides comprehensive technical support and resources, including forums and free demo versions of their software.

Product Overview: The EyeLink Portable Duo includes a wheeled laptop bag, lightweight head support, and a gamepad response device, featuring a USB 3.0 camera interface and Gigabit Ethernet connectivity.

Power Requirements: The device can be powered via USB at 5.0 V, 1800 mA, or through an external power supply at 12 V, 2000 mA.

Eye Tracker Enclosure: The camera, lens, and illuminator are housed in an anodized aluminum enclosure with an acrylic optical window. The camera and illuminator can be mounted separately, and the lens is interchangeable.

Specifications: Specifications may change without notice, and feature availability depends on purchased options. The document highlights weight considerations for the host PC and eye tracker, and the need for suitable hardware components.

Comparison with EyeLink 1000 Plus: The document indicates that the EyeLink Portable Duo offers unique features compared to the EyeLink 1000 Plus, though specific differences are not detailed.

Catalog excerpts

Fast, Accurate, Reliable Eye Tracking 2000 Hz Standard with Every New EyeLink

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The EyeLink® Portable Duo Portable Eye Tracking, Uncompromised Data Quality The EyeLink Portable Duo by SR Research produces the highest quality data to emerge from a compact and easy to transport eye tracker. Everything required to take your EyeLink lab on the road will now fit into a carry-on bag. The Portable Duo features distinct dual-use data collection modes unique to EyeLink trackers, with specialized algorithms for head free-to-move and head-stabilized tracking modes. With the same high precision, high accuracy and low data loss that EyeLink systems are renowned for, the Portable Duo...

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Laptop and Desktop Mounts Compatible with Existing EyeLink Applications The EyeLink Portable Duo comes with Laptop and Tripod Mounts for fast and easy tracking on a laptop screen or for use with an on-site display. The unique combination of portability, usability and high quality data makes the Portable Duo the perfect solution for researchers looking to take eye tracking out of the laboratory and into alternative environments like clinics, offices, daycares, schools and homes. With its high sampling rate and low noise, it is perfect for tracking patients, young children and other challenging...

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Outstanding Accuracy and Precision Fixation Accuracy (Head Stabilized) Whether recording with the remote, head free-to-move or head-stabilized tracking mode, the EyeLink Portable Duo provides the exceptionally high level of accuracy and precision for which all SR Research eye trackers are renowned. Repeated target fixations to nine screen locations recorded with the EyeLink Portable Duo with the head stabilized following a 13-point calibration. The inset plot represents an enlarged view of the fixation distribution around the center target position. On the right is a fixation error histogram...

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SR Research Experiment Builder EyeLink Data Viewer Cross-platform compatible for Windows (32-bit and 64-bit) and Mac OS X Graphical User Interface supports drag and drop experiment programming Easy-to-use hierarchical experiment creation interface Supports simple to complex experimental paradigms Millisecond precise timing of video, audio, TTL and response devices Built-in screen editor allows: •  Manipulating text, image, and video clip objects •  Structured drawing of text and graphical objects •  Automatic generation of interest areas for text Multilanguage / Unicode support throughout the...

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EyeLink portable duo ^9 ) EyeLink® Portable Duo Technical Specifications EyeLink® Model Comparison Chart EyeLink Portable Duo The EyeLink Portable Duo is a powerful eye tracker. To help you make the right choice, here are some ways in which it varies from the EyeLink 1000 Plus. Eye Tracking Mode: Sampling Rate Eye Tracking Principle Average Accuracy 1 Saccade Event Resolution Spatial Resolution 2 Head Stabilized Tracking Remote, Head Free-to-Move Tracking Monocular or Binocular Monocular or Binocular Pupil with Corneal Reflection (CR) Down to 0.15° (0.25° to 0.5° typical) 0.05° microsaccades 0.01°...

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SR Research Fast, Accurate, Reliable Eye Tracking www.sr-research.com

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