10: Net FAQs
105
Geodesic Sensor Net Technical Manual
S-MAN-200-GSNR-001 • January 31, 2007
Which HydroCel solution should I use?
The HydroCel formulation you choose depends on your GSN model and desired
recording duration.
If you have the following models:
•
GSN 200
: Use only HydroCel Saline, EGI’s classic potassium chloride saline
solution, for standard 2-hour recordings.
•
HCGSN with sponge inserts
: Use only HydroCel Saline for standard 2-hour
recordings.
•
HCGSN without sponge inserts
: Use only HydroCel HS, the hydrogel-based
formulation for extended 12-hour recordings.
Care and Maintenance
How can I maximize the life span of my GSN?
This topic is discussed in detail in Chapter 5, "Service and Maintenance.” In short, you
can prolong the life of your GSN by adhering to the following rules:
Do’s
•
Do
use the correct water type and temperature for mixing the electrolyte.
•
Do
make sure that the subject has clean hair before applying the Net.
•
Do
thoroughly rinse and disinfect your Net after each use.
•
Do
store the Net out of direct sunlight or UV sources.
•
Do
store the Net by hanging it over the drying rack with the connector higher
than the sensors.
•
Do
use the wire guide on the GSN 200 to prevent tangles.
Don’ts
• Do
not
overstretch the Net.
• Do
not
leave the Net in disinfectant for more than 10 minutes.
How long your Net lasts also depends on frequency of use. In general, a GSN has a
life span of two years.
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