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AURA® PSG LITE
Ambulatory Sleep Screener
AMPLIFIER SPECIFICATIONS
Amplifier  

Grass Technologies AURA PSG LITE 16-channel system:
4 referential AC channels
7 differential AC channels
3 Pulse Oximeter channels:
SpO2, PulseRate, PulseTransit Time
2 DC coupled inputs
Other inputs:
2 Reference inputs (SAFELEAD type)
2 Ground inputs (SAFELEAD type)
Referential Electrode Inputs
Input Signal Range   4 mV peak to peak full-scale
Input Impedance   12 Megohm or higher, all inputs including reference
Differential Input Impedance   20 Megohm or higher
Amplitude Accuracy   ±2.5 % (prior to software correction)
CMR (60 Hz)   >80 dB (signal referenced)
>100 dB (earth reference)
Noise   <2 µV peak to peak
Input Bias Current   <4 nA
Maximum Input   4 mV
Differential Inputs
Input Signal Range   4 mV peak to peak full-scale
Input Impedance   2 Megohm or higher
Amplitude Accuracy   ± 2.5 %
CMR (60 Hz)   >80 dB (signal referenced)
>100 dB (earth reference)
Noise   <2 µV peak to peak
Input Bias Current   <350 nA
Maximum Input   4 mV
Isolated DC Inputs
Input Signal Range   ±2.0 V
Input Impedance   1.5 Megohm
 
Impedance
Test Mode		   Referential inputs only:
1 kohms to 100 kohms, 10%
Calibration Signal   Referential inputs only:
500 µV peak to peak ±2%
Sampling Rate   200 samples/second/channel
Power   Rechargeable 3.6 V lithium battery
Capacity: 10 hours in the wireless mode, 12 hours in the ambulatory mode
Charging: The battery must only be charged with the external Grass Technologies BC-4 Battery Charger
Physical Size   Amplifier Unit approximately:
3.5" W x 5.9" H x 1.0" D
(8.9 cm x 14.9 cm x 2.5 cm)
Weight: 10 ozs. (280 g)
OTHER SPECIFICATIONS
Regulatory   AURA PSG System: certified to
FCC Part 15, Class B
UL 60601-1
CAN/CSA C22.2 No. 601.1
IEC 60601-1-1
IEC 60601-2-26
EN 60601-1-2
ETSI EN 301 489-1
ETSI EN 301 489-17
ETSI EN 300 328-1
CE marked to EC MDD (93/42/EEC)
Warranty   Lifetime Limited Warranty on Grass Technologies manufactured parts (see our full warranty for details)
Software   Fully supported by TWin

ORDERING INFORMATION

Model
AURAPSG16-SYS

   AURA PSG LITE System Includes:
Grass TWin Sleep Record & Review software. Grass patient-worn AURA PSG LITE Amplifier System with built-in oximeter, CompactFlash Cards (2) and reader. Rechargeable Amplifier Battery (2) with battery charger and power supply, Pouch for AURA PSG LITE amplifier and 4 sizes of straps.
(Provide your own PC or laptop.)*
Model
AURAPSG16-KIT		   AURA PSG LITE Base System Includes:
Grass patient-worn AURA PSG LITE Amplifier System with built-in oximeter, CompactFlash Cards (2). Rechargeable Amplifier Battery (2) with battery charger and power supply, Pouch for AURA PSG LITE amplifier and 4 sizes of straps.
    * Grass personnel must approve all personal computers or laptops used with the
base unit.

Options:

Model AUXLP-TI   

In-service/Training: on-site, 1 day (3 days minimum recommended)

Accessories:
Model F-EZM5   Impedance Meter
Model PSG-E-1   PSG Electrode Kit
Model PSGA-T-4   Transducer Kit
Oximeter Accessories:
   

Nonin Sensors
Digital Video Options:
    Panorama® Digital video/audio recording (complete with exception of camera, see Video Equipment) for use with PCs