A - 34 BeneVision N Series Patient Monitor Operator’s Manual
A.15.16 EEG Specifications
Standard Meet the standard of IEC 60601-2-26
Channels and Leads Four-channel bipolar mode: 9 Leads
Four-channel referential mode: 6 Leads
Analog Bandwidth 0.5 to 110 Hz
Input Signal Range ± 2 mVac
Measurement Bandwidth 0.5 to 110 Hz
Max. Input DC Offset ± 500 mV DC
Common Mode Rejection Ratio ≥100 dB @50 Hz
Noise ≤0.5 V rms (0.5 to 70 Hz)
Input Differential Impedance ≥15 M  @10 Hz
Electrode Impedance Range:
Accuracy:
1 to 90 k,
±1 k, or ±10%, whichever is greater
Sampling Frequency 1024 Hz
Low Filter Frequencies 0.16 Hz, 0.5 Hz, 1.0 Hz, and 2.0 Hz
High Filter Frequencies 15 Hz, 30 Hz, 50 Hz, and 70 Hz
Measured Parameters Measurement range Resolution
SEF, MF, PPF 0.5 to 30 Hz 0.5 Hz
TP 40 to 100 dB 1 dB
SR 0 to 100% 1%
EMG 0 to 100 dB 1 dB
Delta, Theta, Alpha, Beta 0 to 100% (±1%) 1%