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2150EX Area Velocity Flow Module
Section 5 Maintenance
5-5
CAUTION
Do not deep discharge the SLA2191EX battery packs, or you
will reduce their cycle life. When your Flowlink voltage readings
start to drop, you should recharge the battery packs.
Charging Batteries Charge the batteries only with Isco’s 8V2191SLA Lead-Acid
Battery Charger, P/N 60-2004-343 (Figure 5-3). The maximum
ambient temperature when charging is 50°C or 122°F. Never
charge the battery packs in a hazardous atmosphere!
WARNING
Charge SLA2191EX battery packs only with the 8V2191SLA
charger at an ambient temperature below 50°C (122°F), and
never in a potentially explosive atmosphere.
Figure 5-3 Lead-Acid SLA2191 EX Battery Packs and
8V2191SLA Charger
The intrinsically safe battery packs require slow charging. When
the packs are inserted into the charger (Figure 4-4), the yellow
LED indicates that the fuse (required to maintain intrinsic
safety) is good and that the circuit is powered. The green LED
indicates that the undercharged battery is accepting current; the
LED will go out when the battery is fully charged.