EEG amplifier specifications
EEG/ExG DC monopolar channels243248
Aux DC bipolar channels4 halvanic isolated from EEG, NeoSens™ series sensors and compatible
TTL triggers (input / output)1 / 19 / 1
DisplayGraphic OLED
Digitalization24 bit, 6th order delta-sigma modulator with 64x oversampling, one converter per each channel 
High-pass responseDC coupled 
Sampling rate125, 250, 500, 1000, 2000 Hz @ all channels; 5000 Hz @ 24 EEG monopolar or bipolar channels; 10000 Hz @ 16 EEG monopolar or bipolar channels;50000 Hz @ 4 EEG monopolar or bipolar channels 
Low-pass response @-3dB50, 100, 200, 300, 500, 2000, 5000, 25000 Hz depending on sampling rate; multi-stage FIR filter with linear phase, minimal ripple, high stop band attenuation 
EEG/ExG dynamic range± 400 mV 
EEG/ExG input impedance> 100 MOhm @ DC 
EEG/ExG noise< 0.9 μV p-p @ 0.1..30 Hz 
Electrode impedance measurement range1 – 120 kOhm (±10%) @ 30 Hz 
EEG/ExG test signal200 μV (±1%), 1 Hz 
Aux dynamic range0 – 4 V 
Aux input impedance> 100 MOhm @ DC 
Aux noise< 15 μV p-p @ 0.1..30 Hz 
Aux sensor powering+5 V (±5%). Up to 15 mA per sensor with electronic protection 
Control and poweringfrom USB +5V, 450 mA 
SafetyIEC 60601-1, IEC 60601-2-26, class IIa, type BF 
Software specifications
EEG registration and visualization, impedance measurement, filtering, re-montaging, amplitude and interval measurement
Evoked potentials (visual, auditory, somatosensory and cognitive) registration and visualization, peaks marking, overlapping
Bipolar ExG signals (ECG, EMG, EOG) registration 
Non-electric physiological signals (GSR, breath, photopletismogram, tremor) registration 
Basic analysis methods: spectral analysis, spectrum and potentials maps, rhythm table for selected frequency ranges
Advanced analysis methods: ERD\ERS plots and maps, EOG artifact suppression, dipole localization (single and double dipole models) 
Physiological signals analysis: heart and breath rate, GSR and tremor indexes  
Real-time operator state monitoring and biofeedback  
Data export and exchange
Data export to ASCII format: raw data, epoch data
Data export to MS Excel: raw data, epoch data, EP data, spectrums, rhythm table 
Data export to MATLAB 
Remote server integration via XML commands and data exchange via TCP protocol  

EEG cap technology

MCScap cap technology comprises elastic caps with plastic holders positioned according 10–20 or 10–10 systems and a set of individual removable sintered Ag\AgCl electrodes. It combines the advantages of textile EEG caps with easy replacement of broken electrodes. Cap elasticity provides perfect fit for electrodes to head while multiple ventilation holes simplify the access to subject head to control electrode placement and temperature regulation. Three cap sizes cover all heads. Electrode touchproof connectors can be plug directly to amplifier front panel or connected via high-density adapter.

NVX-24:24 channels EEG system
NVX-36:32 channels EEG system with 4 AUX channels
NVX-52:48 channels EEG system with 4 AUX channels
FSS4:USB photic stimulator on LEDs
EEG caps:Textile caps with removable electrodes (MCScap)
Biomedical AUX sensors (NeoSens™ Sensors)

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