| Hardware |
|
| Channels |
3 EEG with fixed gain, 1 auxiliary differential channel |
| Sampling rate |
256 samples/second, optional 512, or 1024 |
| Dynamic range |
Fixed gain ±1,000 μV |
| Resolution |
16 bit, CMRR 105 dB |
| Bandpass characteristics |
0.1Hz HPF, 100Hz 5th order LPF |
| Input impedance |
100 GΩ |
| Noise |
~ +1.5 μV @ 10 Hz and 50 kΩ impedance @ 256 s/s |
| Head movement/position |
Angles obtained with 3-axis 12-bit accelerometer |
| RF Band |
2.4 to 2.48 GHz (ISM band) |
| Transmission mode |
Bi-Directional with B-Alert BT – USB dongle |
| Data transmission range |
~ 10 meters, line of sight with onboard antenna |
| Transmission power |
Bluetooth Class 2 +4dBm |
| System power consumption |
~ 80 mA @ 3.7 V |
| Battery capacity |
Standard 1 x Li-ION batteries - 600 mAH, 7-hrs of continuous use |
| Battery run time |
6 hrs in Bluetooth wireless mode; 16 hrs in SD card mode |
| Battery charging |
Via USB cable connected to USB port or USB wall charger |
| On-line impedance monitoring |
Initiated by host computer using bi-directional link |
| Head unit dimensions |
Size: 2.7”(L) x 1.9”(W) x 0.8”(H); Weight: 2.0 ounces |
| User control |
On/Off |
| Indicator LEDs |
Green |
| Software |
|
| Compatibility |
Windows 7 and XP, PC with 2.0 GHz or higher processor & 1 GB of RAM |
| Estimated file size per minute |
~ 45 KB/Min/channel |
| Sensor Headset & Accessories |
|
| Sensor sites |
Midline Differential: FzPOz, CzPOz |
| Sensor strip sizes |
Ships with small & medium; also available with x-small |
| Electrode cream |
Highly conductive electrolytes and preservatives in non-ionic, hypoallergenic base, buffered to skin pH |
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