User`s manual

NexSens Technology, Inc.
iSIC User‟s Manual 92
5 Maintenance
Enclosure Vent
The NexSens iSIC is equipped with an enclosure vent. This vent is made of
Gortex material that allows air to pass and keeps moisture out. The
enclosure pressure is always at equilibrium with the atmosphere. Be sure to
keep this vent free of debris. Replace the enclosure vent (NexSens Part
#A70), located on the bottom of the iSIC, whenever it becomes dirty and
clogged.
Desiccant
The iSIC Data logger ships with 5 pouches of desiccant. When the system is
fully installed and working, remove one pouch from the zip lock bag and
place it in the enclosure. The desiccant will absorb moisture that enters the
enclosure when the door is opened. The desiccant can be used up, so be
sure to replace the pouch with a new one when necessary. Replace the
desiccant bag (NexSens Part #A71) twice per year, or more often if frequent
access to the iSIC is needed. The iSIC is housed in a lockable enclosure. Be
sure to purchase a small lock to prevent unwanted visitors from gaining
access to the unit.
Internal Battery
The NexSens iSIC comes standard with a sealed rechargeable lead acid 12V
8A-hr battery (NexSens Part #A01). This battery will need to be replaced
every 18 to 24 months. This ensures that the battery has maximum charging
capacity and will minimize problems with low battery life and unexpected
power failures. As with any battery-powered instrumentation, the battery
should be removed before short or long-term storage. Removing the
batteries eliminates the risk of a battery malfunction and instrument damage.