Alice PDx Diagnostic System
Specifications
Basic PC recommendations:
  • Windows®-compatible personal computer running Windows Vista Business, Windows XP Professional or 2000 with a CD-RW drive. A DVD drive is recommended if you will be saving audio/video files onto removable storage media.

  • Intel® Pentium® 3 processor (500 MHz) or greater, 32-bit (x86) processor (1 GHz) required for Windows Vista computers

  • 512 MB system memory, 1 GB or higher for Windows Vista computers

Specifications:

Total Channels: Up to 21 with Optional ECG and ExG Yokes

Standard Channels: Pressure Based (w/snore) and Thermal Airflow, zRIP Effort (2), Body Position, SpO2 (also Pleth and Pulse Rate), Respironics Therapy Device Parameters, Pressure and Flow from non-respironics therapy devices.

Optional Yokes/ Channels: ECG Yoke; 3-lead ECG providing 3 measured and 4 derived channels for a total of 7 channels

ExG Yoke: 4 Neuro Channels (EEG or EOG) and 3 Differential EMG, plus references and ground.

Input Impedance: ECG: 10MOhm per Electrode 20MOhm differential
EEG: 2MOhm per Electrode 4MOhm differential
EMG: 2MOhm per Electrode 4MOhm differential

Bandwidth: ECG: 0.318Hz to 81Hz
EEG: 0.318Hz to 35Hz
EMG: 9.7Hz to 86Hz

Input Signal Range: ECG: +/- 4mV
EEG: +/- 500uV
EEG: +/- 150uV

Digital Resolution: Up to 16 bits

Initial Sample Rate: Up to 1 KHz

Max Storage Rate: 200 Hz for ECG/ExG, 100 Hz for Effort and Thermal Flow, Pressure Flow 200Hz, Snore 500 Hz, Body Pos. 1 Hz

Communication Interfaces: Serial Protocol USB PC cable, SleepLink and Serial communication cables for our therapy devices

System physical characteristics:

Alice PDx Unit:

Size: 5" L x 3" W x 2" H (12.7 cm x 7.62 cm x 5.08 cm)
Weight: Approximately 8 oz (230 grams), (weight does not include batteries)

System Power Requirements: Three AA (1.5V) alkaline batteries, 0.43 watts (typical), Alice PDx can support the use of rechargeable batteries.