DSI VR300

DSI VR300

The DSI-VR300 is a research-grade dry electrode EEG system specifically designed for P300 applications and VR integration.

The system comprises of ultra-high impedance active Dry Sensor Interface (DSI) sensors that function through hair, requiring no skin preparation or conductive gels. Sensors can be individually adjusted to optimize contact impedance.
The design interfaces seamlessly with the HTC-Vive VR headset. A virtual reality-specific API developed by Neurable allows for rapid integration of P300 elements into the VR environment.

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Description

The DSI VR300 is a fully integrated, adjustable, and comfortable dry electrode EEG headset with wireless triggering.

Uncompromising Signal Quality

  • Active dry electrode sensors with 2-stage amplification and digitization in the headset
  • Research-grade EEG signal (>90% correlation with conventional wet electrode systems)
  • Patented artifact-resistant electro-mechanical designs suitable for ambulation in naturalistic environments
  • Continuous impedance and signal quality monitoring

Practical EEG

  • Fully integrated, complete EEG system in a single device
  • Rapid set-up (< 2 min) and clean-up time (< 1 min)
  • Adjustable to fit a wide range of head sizes
  • Comfortable for continuous and repeated use

Powerful Options

  • Wireless triggering for synchronization of multiple devices for hyperscanning or ambulatory ERPs
  • Bluetooth or wired-USB transmission
  • Optional embedded 3D accelerometers

Intuitive Software Included

  • DSI-Streamer: Signal quality metrics, ERPs
  • File formats: EDF, CSV (filtered and raw)
  • C-based API for Windows/Mac/Linux
  • LSL, TCP/IP streaming

VR Interface by Neurable

  • Seamless integration with HTC-Vive
  • Unity and Unreal engine integration
  • Embedded real-time P300 analysis
  • Demo software and code available

Synchronized Interfaces

  • Eye-tracking
  • Motion capture
  • NeuroGuide / BrainSurfer
  • EEGLAB / ERPLAB /BCILAB
  • Mensia / Neuro RT / OpenVibe
  • TEA Ergo CAPTIV
  • BCI2000
  • E-Prime
  • Inquisit
  • Presentation
General
Sensor Locations 7 sensors at 10/20 locations (default): FCz, Pz, P3, P4, PO7, PO8, Oz + Linked Ears
Common-Mode-Follower P4 is default reference (can be changed to LE in software)
Ground A1
Amplifier/Digitizer 16 bits, 7 channels
Analog/Digital Resolution 10 m
Analog/Digital Converter 16 bits
Sample 300 Hz (600 Hz option)
Bandwidth 0.003-150 Hz
Gain 60
Common Mode Rejection Ratio > 120 dB
Channel Cross-Talk < -70 dB with sensors
Input Impedance (1Hz) 47 Gohm
Input Bias Current <25 pA
DC Offset Tolerance +/-200 mV
Maximum Input Range 10 mV pk-pk
Noise (1-50Hz) <3 uV pk-pk
Digital Inputs 4-bit input
Run-time >12 Hours
Wireless Bluetooth
Wireless Range 10 m
Headset weight 400 g
Headsize Fit Adjustable to a wide range of head sizes
Headset Fixed sensors on spring-loaded arms and pods for sensor support
Notice *Specifications subject to change, please contact us to obtain latest specifications

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