BIS Specifications
Specifications
9-20 Efficia CM Series Rack and Modules Instructions for Use
EEG Sweep Speeds • 6.25 mm/s
• 12.5 mm/s
• 25.0 mm/s
• 50.0 mm/s
Signal Bandwidth 0.25 Hz to 100 Hz (-3 dB) +/- 10%
Input Signal Information Input signals in the range of ±0,5 mV, varying at a rate to 12 mV/s,
shall be reproduced on the output with an error of ±20 % of the
nominal value of the output or ±10 V, whichever is greater.
EEG Waveform Noise <0.3 V RMS (2.0 V peak-to-peak); 0.25 Hz to 50 Hz
Voltage information With a dc. offset voltage in the range of ±300 V and differential
input signal voltages of ± 0.5 mV that vary at rates up to 12 mV/s,
when applied to any LEAD WIRE, the time varying output signal
amplitude shall not change by more than ± 10% over the specified
range of dc. offset.
Common Mode Rejection
(Isolation Mode)
110 dB at 50/60 Hz to earth ground
Sensor Ground Check A periodic sensor ground check is performed every 10 minutes and
has a typical duration of < 5 seconds
Host Cable Power
Requirements
+5VDC +/- 5%, 500mA
Protocol RS232/TTL
Parameter Specification
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