RKI Instruments GX-2009 Manual - Manual (Page 63)

GX-2009 Operator’s Manual Maintenance • 58
4. Put the GX-2009 in the charging base. Tabs at the top and bottom of
the charging base retain the instrument.
5. While the unit is being charged, the red charging LED on the top face of
the charger is on.
6. When the charging LED turns off, the GX-2009’s batteries are fully
charged. It takes approximately 3 hours to recharge a fully discharged
battery set.
7. To verify whether the batteries are fully recharged,
remove the unit from the charging base, then press the
POWER MODE button to start up the unit. If the battery
icon on the LCD is fully colored in, then the unit has been
completely recharged.
NOTE: A battery set will have a typical service life of 500 charging cycles.
When using the GX-2009, draining the batteries as much as possible
before recharging them will help maintain the maximum operating time. If
the batteries are regularly only partially drained before charging or partially
charged before using the instrument, the battery may experience a
POWER
MODE
AIR
Retaining Tabs
RKI GX-2009
H 2 S CO %LEL O 2
Figure 17: Putting the GX-2009 in the Charging Base