| SPECIFICATIONS |
| Amplifier |
|
Grass Technologies
AURA® system
28 referential EEG inputs (AC),
2 reference input, 2 patient ground (with PJAAD Pin Jack Adaptor) |
| AC
Input Signal Range |
|
Referential
AC channels:
4 mV peak to peak full-scale |
| Input
Characteristics |
|
12 Megohm impedance, all inputs including reference |
| All
referential AC inputs electrically isolated from earth ground |
| Frequency
Response |
|
0.5 Hz to 100 Hz, -3 dB
0.1 to 100 Hz recoverable with TWin software |
| Amplification
(gain) |
|
AC
channels: 1000 ±2%
|
| Vertical
Resolution |
|
16
bits (0.06 µV/bit) |
| Sampling
Rate |
|
400 samples/second/channel |
| CMR |
|
>100
dB, all AC channels, at 50/60 Hz |
| Noise |
|
<2
µV peak to peak referred to input |
| Impedance
Test Mode |
|
Referential
inputs only:
30 Hz square wave; range, 1 kohms to 100 kohms, 10% |
| Calibration
Signal |
|
Referential inputs only:
500 µV peak to peak ±2%;
5 Hz square wave |
| Patient
Bias Current |
|
Maximum:
<4 nA
Typically: 300 pA |
| Event
Input |
|
2
pushbutton patient signaling inputs
(1 on base station, 1 on amplifier for use with 1 event pushbutton) |
| External
Battery |
|
Capacity:
24 hours
Charging: Built-in charger (requires external power supply) |
| Photic |
|
1
photic (flash unit) control line |
| Oximeter |
|
1
input (SaO2/Heart Rate) |
| Connectivity
to Host PC |
|
Standard
Ethernet, TCP/IP protocol |
| Power
|
|
Medical-grade
Isolated Power System |
| 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) |
Battery
Pack approximately:
3.5"W x 5.9"H x 1.0"D
(8.9 cm x 14.9 cm x 2.5 cm)
Weight: 11 ozs. (308 g) |
Base
Station approximately:
7"W x 7.5"H x 2.7"D
(17.8 cm x 19.1 cm x 6.9 cm)
Weight: 2.3 lbs. (1.04 kg) |
CompactFlash
Card approximately:
1.4"W x 1.7"H x 0.1"D
(36 mm x 43 mm x 3 mm)
Weight: 0.4 ozs. (10 g) |
| Regulatory |
|
AURA
System: certified to
UL60601-1, CSA22.2 No.601.1
IEC 60601-1:1988 +A1:1991 +A2:1995,
IEC 60601-1-1, IEC 60601-2-26 (1994),
IEC 60601-1-2 (2001), Marked for ETL & CE to EC MDD (93/42/EEC) |
| Warranty |
|
Lifetime
Limited Warranty on Grass Technologies manufactured parts (see our full
warranty for details) |
| Optional |
| Software
|
|
Powerful
and user-friendly TWin
record, review and analysis EEG/LTM software |
| |
SzAC
Seizure/Spike Analysis software |
| |
Panorama
Digital Video/Audio software |
| Operating
System |
|
Windows®
XP |
|
| ORDERING
INFORMATION |
| Model
AURA24-SYS |
|
AURA®24
includes:
Grass Technologies patient-worn AURA® Amplifier (28-channel) with
2 CompactFlash cards and reader,
2 External 24-hour Battery Packs with built-in charger and power supply,
Pouch for AURA Amplifier & External Battery Pack,
Patient Event Marker pushbutton,
Base Station with a front-end sampling rate of 400 Hz, 2 high level
DC inputs,
Medical-grade Isolated Power Supply,
Network Cabling Kit. |
| Options:
|
| Model
AURALAPTOP |
|
AURA®24
Laptop System includes:
Latest High-performance laptop with internal CD-RW and modem, network
ready, Grass Technologies TWin EEG software, Archive Managing software,
TWinLOOK® software, Microsoft Office |
| Model
AURA-TI |
|
On-site training (2 days recommended), USA only |
| Accessories: |
| Model
UPS-1 |
|
Uninterruptible
Power Source, 700 VA
(115 V, 50/60 Hz) |
| Model
UPS-1-220 |
|
Uninterruptible
Power Source, 700 VA
(230 V, 50/60 Hz) |
| Model
UPS-2 |
|
Uninterruptible
Power Source, 525 VA
(115 V, 50/60 Hz) |
| Options
& Spare Parts: |
| Model
PJAAD |
|
Spare
Electrode Board/Pin Jack Adaptor |
| Model
14193102 |
|
Spare
2 GByte CompactFlash Card |
| Model
42745100 |
|
Spare
External Battery Pack |
| Model
32760100 |
|
Pouch
for AURA® Amplifier & External Battery Pack |
|
