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TARGET Series ENMET Corporation
5
3.2 Charging the Battery
W
ARNING
:
Never charge the TARGET instrument in a hazardous location
The TARGET instrument has a 4.8 volt, nickel metal hydride (NiMH) battery pack. The supplied battery charger charges
the instrument batteries usually in three to four hours. The charger is supplied with a power cord for connection to 110
VAC wall outlet. The batteries may also be charged in the same time frame with a 12 VDC vehicle accessory adapter.
Instrument electronics protect alkaline battery packs from being charged by the TARGET battery charger.
N
OTE
: The connector is keyed and will only go in one way.
Figure 6: Insert Charge Jack Figure 7: Remove Charge Jack
Plug the battery charger into the wall and then plug
the charger connector in to the I/O and charging
port on the front of the TARGET instrument. See
figures 6 and 7.
Once inserted, the instrument’s display activates
and shows the charge status:
Example: Display, Battery Charging
When the batteries are fully charged, the following
is displayed providing information on charge time,
capacity and status:
Example: Display, Charging Complete
N
OTE
: While charging the batteries, the instrument enclosure becomes warm to the touch. The instrument electronics
detect peak battery charge and stop charging at the appropriate time. Once charging is complete, the enclosure will
cool to room temperature.
The instrument may be left indefinitely on the charger. It is recommended to do so, to keep the battery pack at full
charge.
C
AUTION
: When removing the charge jack be sure to grab onto only the ribbed portion of the connector, otherwise the
connector will not release. See Figure 7.
BATTERIES CHARGING
Charge started:
May 15 1999 5:29:00 pm
Chrg:25% Time: 0:01
CHARGING DONE
Charge started:
May 15 1999 5:29:00 pm
Chrg:100% Time: 3:15
♦
Grasp by ridged portion of
connector
♦ If cable is pulled connector
may be damaged