Specifications
36 | BRM2 Brain Monitor Reference Manual
EEG specifications
Artifact Rejection: Automatic
Sensitivity:
±1 mV for maximum DAU output
Dynamic Range: 0.1 μV-1 mV (2-20 Hz)
Update Rate: 0.5 sec (EEG Waveform, Impedance)
1 minute (other parameters)
Event Markers: User-selected
Impedance Checking: Automatic
Check signals: 1.35 nArms @ 80, 85, 90 and 95 Hz
aEEG Filter: 0-2 Hz:
2-12 Hz:
12-16 Hz:
16-30 Hz:
60 dB/decade
12 dB/decade
1 dB > 10 Hz level
-120 dB/decade
Spectral Edge: 90% for 2-20 Hz bandwidth
Computed parameters
• Cross-cerebral and Bilateral amplitude-integrated EEG (aEEG) and Integrated Amplitude
• EEG intensity
• Impedance and AC Supply Noise
• Spectral Edge Index (SEI).
Display modes
• Real-time (EEG Waveform, aEEG, EEG Power Spectrum)
• 10 minute average (SEI, Integrated Amplitude)
• Long term trend (SEI, Integrated Amplitude, Intensity, Impedance, AC Supply Noise)
• Rapid numeric (Impedance).