Natus® Brain Monitor &
Embla Dx Series™
User and Service Manual
24
Specifications: Brain Monitor & Embla Dx Series
Amplifiers
Specifications
Brain Monitor & Embla NDx
Embla SDx
AC Channels
64 AC channels, 6 Sensor inputs
20 AC Ch 6 Sensor
inputs
Referential Inputs
40 refer 24 programmable
(from differential to ref).
16 Referential
Differential Inputs
Programmable up to 12
4 Differential
Sensor Inputs
6 (Chest, Abdomen, Snore,
Airflow, Pressure, Position)
6 (Chest, Abdomen, Snore,
Airflow, Pressure, Position)
Derived Traces
11
11
DC
16
8
Digital Trigger
8-bit TTL
N/A
Pulse Oximetry
SpO2, Pulse Rate, PPG,
Plethysmogram, Pulse Quality
SpO2, Pulse Rate, PPG,
Plethysmogram, Pulse Quality
Input Impedance
Common Mode: ≥ 1 Gohm
Differential Mode: 40 Mohm //
280pF +/- 20%
Common Mode: ≥ 1 Gohm
Differential Mode: 40 Mohm //
280pF +/- 20%
Input Noise
3
≤ 2 uV pk-to-pk (0.1Hz to 70 Hz),
≤ 40nVsqrt(Hz) wideband
≤ 2 uV pk-to-pk (0.1Hz to 70 Hz),
≤40nVsqrt(Hz) wideband
Common Mode Rejection ratio
≥ 106 dB min
≥ 106 dB min
Sampling Rates
256, 512, 1024, 2048, 4096
256, 512
Bandwidth
DC to ~
⅓ of sample rate
selected or 4KHz max.
programmable (default 0.08Hz)
DC to ~
⅓ of sample rate
selected or 4KHz max.
Input Signal Range
20mV pk-to-pk, +/-0.3VDC
20mV pk-to-pk, +/-0.3VDC
Dedicated Sensor Inputs
Chest, Abdomen, Thermistor,
Pressure Flow, Position, Snore
Chest, Abdomen, Thermistor,
Pressure Flow, Position, Snore
Host Interface
Network Interface
Gigabit Ethernet Connection
Modes of Operation
Base Unit Fuse Type and rating
T 1.6A / 250V
3
1.8uV pk-to-pk noise is typical, 2uV pk-to-pk is guaranteed.
