B-21
B.14 BIS Module Specifications
BIS Module
Type Single-slot module
Standard IEC60601-2-26
Measurement method Bispectral index, power spectrum analysis
Measured parameters
EEG
BIS: 0 to 100
Calculated parameters
SQI
EMG
SR
SEF
TP
Impedance range 0 to 999 kΩ
Sweep speed 6.25, 12.5, 25 or 50 mm/s
Input impedance ＞50 MΩ
Noise (RTI) ＜0.3 µV (0.25 to 50 Hz)
Input signal range ±1 mV
EEG bandwidth 0.25 to 110 Hz
Patient leakage current ＜10 µA
BIS alarm limits Range Step Unit
BIS High Limit
(low limit + 2) to 100
BIS Low Limit 0 to (high limit – 2)
1 %
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