Table 1 Properties of selected EEG devices
Product | microEEG | Nicolet Monitor | Trackit Recorder |
|---|---|---|---|
Company | Bio-Signal Group | CareFusion Corp. | Lifelines Ltd. |
A/D Converter resolution (bits) | 16 | 16 | 16 |
Voltage resolution (μV) | 0.15 | 0.15 | 0.15 |
Maximum input range | 10 mV p.to.p. | 10 mV p.to.p. | 10 mV p.to.p. |
Sampling rate | 1,000 Hz | Up to 2,000 Hz | Up to 256 Hz |
Bandwidth | 0.15 − 500 Hz | 0.16 − 1,000 Hz | 0.16 − 128 Hz |
Input impedance (MΩ) | > 100 | > 100 | > 100 |
Separately test GND/REF impedance | Yes | No | No |
Number of channels | 32 | 64 | 12-36 (depending on model) |