| SPECIFICATIONS:
64- & 128-Channel Expanded System |
| Amplifier |
|
Grass
Technologies AURA-LTM64 system
64 referential EEG inputs (AC),
2 reference input, 2 patient ground |
| AC
Input Signal Range |
|
Referential
AC channels:
8 mV peak to peak |
Differential
DC voltage tolerance:
±500 mV |
| DC
Input Signal Range |
|
±5
volts |
| Input
Characteristics |
|
>100
Megohm impedance, all inputs including reference
|
| All
referential AC inputs electrically isolated from earth ground |
| Frequency
Response |
|
0.1
to 1000 Hz* |
| Gain
Resolution |
|
0.125 µV/bit |
| Full
Scale Range |
|
±4mV
|
| Vertical
Resolution |
|
16
bits (0.12 µV/bit) |
| Sampling
Rate |
|
The maximum possible sample rate is 3200 Hz. The maximum possible
bandwidth is 1000 Hz* |
| *
Note:
Frequency response is approximately 1/3 of the front end sampling
rate. The sampling rate and the storage rate is set by TWin software
and available sampling rates are dependent on the TWin software version.
|
| CMMR |
|
>100
dB, all AC channels, at 50/60 Hz |
| Noise |
|
<2
µV peak to peak referred to input |
| Impedance
Test Mode |
|
Referential
inputs only:
16 Hz square wave; range, 1 kohms, 5 kohms, 10 kohms, 25 kohms |
| Calibration
Signal |
|
Referential inputs only:
±50 µV or 500 µV, selectable |
| Patient
Bias Current |
|
1
µA |
| Event
Input |
|
Standard |
| Photic
|
|
Optional |
| Oximeter
|
|
n/a |
| Connectivity
to Host PC |
|
Standard
Ethernet, TCP/IP protocol |
| Power
|
|
Medical-grade
Isolated Power System |
| Physical
Size |
|
Amplifier
Unit approximately:
5.6"W x 1.4"H x 8.9"D
(14.2 cm x 3.3 cm x 22.6 m)
Weight: 18 ozs. (500 g) |
Net
Interface approximately:
0.6"W x 3.1"H x 0.7"D
(1.4 cm x 7.8 cm x 1.9 cm)
Weight: 7 ozs. (200 g) |
| Media
|
|
Internal
DVD+/-RW, hard drive and an additional removable 500 GByte hard drive |
| 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 |
| Regulatory |
|
AURA-LTM64
System: certified to
UL60601-1, CSA22.2 No.601.1
IEC 60601-1, IEC 60601-1-2, IEC 60601-1-4, IEC 60601-2-26, 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) |
|
| ORDERING
INFORMATION - 64- & 128-Channel Expanded System |
Model
LTM64-UPGRD64 |
|
64-Channel
Expansion/Upgrade, AURA-LTM64 (1-64ch) |
Model
LTM64-UPGRD128 |
|
128-Channel
Upgrade, AURA-LTM64 (65-128ch) |
Model
BHHN-LTM64 |
|
64-channel
Beehive Horizon includes:
Grass Technologies patient-worn AURA-LTM64 Amplifier with pouch,
tethered Base Station, network interface card and Patient Event
Marker pushbutton. Choose from the Mobile
Rack Cart options (price does not include a rack cart).
|
| |
Latest
high-performance PC-based acquisition system, network ready with internal
DVD+/-RW, hard drive and an additional removable hard drive. Medical-grade
Isolated Power System. A wide variety of monitor
options are available (price does not include a monitor). |
| |
Grass
Technologies TWin, Archiving software,
TWinLOOK, and SzAC automatic
seizure/spike analysis software. Grass Technologies Panorama
digital video recording system, continuous or event only with video
capture card, microphone, audio preamplifier, sound card and PC speakers.
Choose from a variety of camera options (price
does not include a video camera). Microsoft Office software. |
Model
BHHN-LTM64-230 |
|
Includes:
Same as BHHN-LTM64, except with 230 Volt Medical-grade Isolated Power
System (IPS230) |
|
