40 Specifications
494
BIS
Complies with IEC 60601-2-26:1994.
NMT
Complies with IEC 60601-2-49:2001
Bandwidth 0.5 Hz to 50 Hz (-3 dB)
Low Filter Cut-Off Frequencies 0.5, 1.0, 2.0, and 5.0 Hz
(12 dB/octave)
High Filter Cut-Off Frequencies 15 Hz (65 dB/octave)
30 Hz (75 dB/octave)
50 Hz (85 dB/octave)
EEG Performance Specifications
BIS Performance Specifications BIS, BISx M1034A
Bispectral Index (BIS) Range 0 - 100
Signal Quality Index (SQI) Range 0 - 100%
EMG Range 0 - 100 dB
Suppression Ratio (SR) 0 - 100%
Spectral Edge Frequency (SEF) 0.5 - 30.0 Hz
Total Power (T P) 0 - 100 dB
Bursts (BISx only) 0 - 30 /minute
Noise <0.3 µV RMS (2.0 µV peak-to-peak)
Wave Scale With gridlines on: ±25 µV, ±50 µV, ±100 µV, ±250 µV
With gridlines off: 50 µV, 100 µV, 200 µV, 500 µV
Update Frequency (BIS Numeric) 2048 ms
Bandwidth 0.25 - 100 Hz (-3 dB)
High Pass Filters 0.25 Hz, 1 Hz, 2 Hz (-3 dB)
Low Pass Filters 30 Hz, 50 Hz, 70 Hz, 100 Hz (-3 dB)
Notch Filters (for line frequency) 50 Hz, 60 Hz
Impedance Measurement Range 0 to 999 kΩ
BIS Alarm Specifications Range Adjustment Alarm Delay
BIS High/Low Alarm 0 - 100 1 Max. 2 seconds
NMT Performance Specifications
Stimulation Output Current Pulse 100, 200, or 300 µsecs; monophasic rectangle pulse
Current Range 5 to 60 mA in increments of 5 mA
Current Accuracy ± 5% or ± 2 mA, whichever is greater
Maximum Skin Resistance 3 kOhm
Maximum Output Voltage 300 V ±10%
Single Twitch Stimulation Mode Twitch 0 to 200% (resolution: 1%)
Repeat Time Manual, or 1 sec, 12 sec, 30 sec
Minimum Recovery Time None
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