SV 258 PRO User Manual
11
The station is equipped with a Lead-Acid rechargeable battery
(17Ah, 12V), located in the bottom of the case.
The battery can be used in any chosen position without the risk of
leakage. The battery has a pressure relief valves that allows safe
dispersal of any excess pressure inside the cell (VRLA).
Battery capacity may vary depending on the ambient temperature.
The safety fuse is located on the left side of the controller connector
plate.
Note: Do not remove the battery from the case! This operation must be done only by the
authorised service.
Note: Battery is not restricted for air, surface and water transport. Classified as non-hazardous
material (IATA/ICAO Special Provision A67, DOT-CFR Title 49 parts 171-189, IMDG
amendment 27).
Note: During station operation it is recommended to charge the internal battery as often as
possible; this will extend battery life. It is necessary to charge the battery after any total
discharge
.
Note: The station should not be stored for a long time with a discharged battery. Storing with
batteries in discharged condition may damage them.
Note: If the station is planned to be stored for a long period of time, it is recommended to charge
its battery to 100% capacity. The battery should be charged at least once per 6 months.
Note: If the storage period is longer than one year, a discharge/charge cycle must be
performed. To do this, leave the device turned on until the battery is completely discharged.
Then charge the battery to 100% capacity.
The case lid is equipped with an antenna for the mobile modem.
2.1.2
Controller
The SV 258 PRO monitoring station is equipped with the
SD 270A PRO (or previous modification SD 270 PRO without the
TEST button and corresponded LED) controller that integrates and
controls all system modules and is responsible for the powering of
all elements and communication between the following elements
of the monitoring station:
•
SVAN 958A instrument,
•
mobile modem
and optionally
•
light and sound alarm etc.
