Description
Description
Over 25 years of experience in designing EEG and PSG amplifiers has culminated in the new Grael amplifier range – Compumedics’ most technologically advanced amplifier yet. Four new amplifiers specifically designed to fit your needs! The Grael 4K PSG:EEG Amplifier is the most advanced amplifier of them.
Key features
- Amplifier can be used for wide range of applications including EEG, Evoked Potentials (ERP) and Sleep studies
- Sampling Rates up to 4096 Hz
- User selectable gain allows choice of lower noise or higher allowable DC offset (great for combining EEG with TDCS/TACS or TMS)
- Combine multiple devices for more channels or group studies (hyperscanning)
Specifications Grael 4K PSG:EEG Amplifier
| Max Number of Channels | 60 |
|---|---|
| EEG Channels | 32 |
| Bipolar Channels | 8 |
| Analog Inputs (HLI) | 8 |
| Extra Inputs | Inductive Bands (2), Respiratory Impedance, Pressure (1 single ended, 1 differential), Body Position, Event Button, Microphone, Integrated Light Sensor, Oximeter with Pleth Waveform |
| DC/AC | DC |
| Max Sampling Rate | 4096 Hz |
| Sampling Rate (Hz) | 256, 512, 1024, 2048, 4096 |
| Bandwidth | DC-1150 Hz |
| Resolution | 24-bit |
| Input Range | 300mV to 3000mV (4 modes) |
| Sensitivity | 18nV |
| Input Impedance | >100 MOhm |
| Common Mode Rejection (CMRR) | >100 dB |
| Noise (peak-to-peak) | <2 uV |
| Impedance Check | Yes |
| Trigger | 8-bit TTL |
| TMS Compatible | Yes |
| tACS/tDCS Compatible | Yes |
| Device Synchronization | Includes PTP (precision time protocol) hardware to allow synchronizing multiple units for 64 (or higher) referential channels |
| Headcap Connector | Yes |
| Recording Interface | Ethernet |
| Power | Power Over Ethernet (PoE) |
| Medical Certification | CE Class IIa, FDA |
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