Maintenance; Recharging The Battery; Replacing The Battery - AEMC 6550 User Manual

8.1 Recharging the Battery

Refer § 4.1 for full details on recharging the battery.
The Megohmmeter Model 6550/6555 is equipped with a rechargeable NiMH battery. This technology offers
several advantages:
■
Long battery charge life for a limited volume and weight
■
Possibility of quickly recharging your battery
■
Significantly reduced memory effect: you can recharge your battery even if it is not fully discharged
■
Environmental protection through the elimination of polluting materials such as lead and cadmium
After prolonged storage, the battery may be completely discharged. If so, it must be completely recharged.
Your instrument may not function during part of this recharging operation.
Full recharging of a completely discharged battery may take several hours.
In this case, at least 5 charge/discharge cycles will be necessary for your battery to recover 95% of its
capacity.
To make the best possible use of your battery and extend its effective service life:
■
Only charge your instrument at temperatures between 32° and 86°F (0° and 30°C)
■
Comply with the conditions of use defined in the operating manual
■
Comply with the storage conditions specified in the operating manual
Before first use, charge and discharge the instrument one or two cycles to ensure the proper level display
of the battery indicator.

8.2 Replacing the Battery

The batteries can be replaced only by the manufacturer's service center or by an approved repair center.
WARNING: Replacing the battery may result in the loss of the stored data. Back up all stored data before
sending the instrument in for repair.
To return the instrument for battery replacement see § 8.5.
When the repaired instrument is returned:
■
Erase the memory completely (see § 5.3.2) to be able to use the MEM/MR functions again
■
If necessary, reset the date and time of the instrument (see § 3.4)
■
Fully recharge the battery
AEMC will not be held responsible for any accident, incident, or malfunction following a repair done other than
®
by its service center or by an approved repair center.
Megohmmeter Models 6550/6555
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8. MAINTENANCE

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