ELECTROENCEPHALOGRAPH
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Parameter SpecificationDevice type Digital electroencephalograph (EEG) EEG channels 16 channels and 32 channels ECG 2 channels, optional Electrode system International 10–20 system Sampling rate 100 samples/second A/D conversion 12 bit Input impedance ≥10 MΩ Patient leakage current <10 µA Noise level ≤5 µVp-p CMRR ≥90 dB Amplification 10,000 times Filters Fully digital, freely adjustable Display/paper speed 5, 10, 15, 30, 60, 120 mm/s Amplitude 1–50 mm/50 µV, various selections Playback speed 1×, 2×, 3×, 10×, 20×, 40×, 60× 50 Hz interference suppression ≥30 dB Continuous recording duration Up to 24 hours Safety class Class II, Type BF Power supply USB 5 V DC Dimensions 186 × 135 × 89.2 mm Weight Approximately 550 g
