SV 104IS USER’S MANUAL______________________________________________________
27
4 RUNNING AND OPERATING BASIC PROCEDURES
4.1 CHARGING
The battery inside SV 104IS uses lithium-ion technology which requires special consideration and
handling techniques due to the extremely high energy density (see “SPECIAL PRECAUTIONS WHEN
USING AND CHARGING LITHIUM BATTERIES” clause on page 4).
Ensure the SV 104IS is fully charged prior to use by placing it onto the docking station charger.
Ensure the power supply is connected and the supply is switched on. In charged enough state (internal
battery voltage above 2.9V) the SV 104IS will automatically turn on the display during charging and present
how much charge is within the instrument. The SV 104IS will display ‘Fully charged’ once charging is
complete. This should take approximately 4 hours from a fully discharged state. A charging time of about
1 hour will be sufficient to perform greater than 10 hours of measurement. A fully charged instrument holds
enough charge to run for more than 50 hours (typically 60 hours).
Note that once disconnected from docking station, the dosimeter will automatically switch off. If put
again onto the docking station the internal battery is float charged. This keeps the battery performance
in steady condition. If the battery is fully discharged prior to being placed on a charger, it trickle charges for
a maximum 1h time prior to the fast charge cycle, this prevents damage to the batteries.
The number of hours you have used your dosimeter from your last charge will impact your total charge
time. For example, if the battery clock indicator displays 10 hours remaining on the battery and you wish to
charge the battery, the approximate charging time is 3 hours.
Charger LED status indication
Indicates the charging of the instrument.
Indicates the fully charged instrument.
GREEN single isolated flashes
with a duration of nominally one second
Indicates the bootstrap detection mode.
Detected instrument is not supported to be charged.
Infrared communication maintained.
RED flashing quickly,
four times per second
Indicates the alarm conditions:
for instance: Infrared communication or charging failure.
Table 4-1 Charger instrument LED status description
Figure 4-1 5-bay docking station (SA 104-5)
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