Dry Electrode EEG Headset
The DSI-4 is a complete, research-grade wireless dry electrode EEG system designed for rapid application of 4 dry electrode EEG sensors on the forehead. This unique fully-integrated wireless EEG system is embedded in a comfortable adult-sized, headband designed for use during sleep.
The DSI-4¡¯s practicality, portability, and high signal quality opens the door to taking numerous applications that require rapid and non-intrusive EEG recording. Such applications include:
Sensor Locations | 4 sensors at 10/20 locations: F7, F8, Fp1, Fp2 |
Common-Mode-Follower | Fz is default reference (can be changed to LE in software) |
Ground | Fpz |
Amplifier/Digitizer | 16 bits, 4 channels |
Analog/Digital Resolution | 0.317 uV referred to input |
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 | 10mV pk-pk |
Noise (1-50Hz) | <3 uV peak-peak |
Digital Inputs | 4-bit input |
Run-time | >12 Hours |
Wireless | Bluetooth |
Wireless Range | 10 m |
Headset weight | 102 g |
Headsize Fit | 52-62 cm circumference |
Headset | Fixed sensors on spring-loaded arms and pods for sensor support |
Notice | * Specifications subject to change, please contact us to obtain latest specifications |