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10
ADS ForeSITE FS-UL-4G Manual
Assembly
Battery Installation
NOTE THIS SECTION IS CRITICAL TO ENSURE PROPER OPERATION
The internal battery (FS-BAT-001) is field replaceable when required, without the use of special
tools. The internal battery is held in place with a black rubber O-ring, which retains the battery
against the central mounting plate within the ForeSITE™ device.
Every battery pack is supplied with a complete set of new O-rings, O-ring grease, and desiccant
packet. Each time a logger is opened for battery installation or replacement, the O-ring seals
and desiccant shall be changed to preserve its IP68 environmental rating. Desiccant is good
when blue and will turn pink when moisture is absorbed and needs to be replaced.
Three O-rings are provided for each device/battery.
• The smallest O-ring is the battery retaining O-ring.
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