MAN0597 ISSUE 08 - 02/04
2302M5030
7. ROUTINE MAINTENANCE
75
7.3 BATTERY CHARGING / REPLACEMENT
WARNING
Battery Charging and replacement must not be carried out
in a hazardous or potentially dangerous area.
A mixture of dry cell and rechargeable battery packs must
not be used - the instrument safety system prevents
operation in such a situation, and the instrument displays
a fault message and activates the audible and visual
alarms.
If the instrument is fitted with a CO
2
Cartridge, please refer
to the instructions in Section 8 – Charging Procedure for
Impact Pro fitted with CO
2
Variant Cartridges.
INFORMATION
To maintain peak battery performance Zellweger Analytics
strongly recommend that the batteries be periodically
(every 4 to 6 months) fully discharged before recharging.
To do this, remove the Impact from the Base Station (if
fitted) and switch the Impact on. Leave the Impact to run
until it switches off. This may take up to 12 hours
depending on the state of charge of the batteries. A
Warning 14 (Battery Low) will be generated towards the
end of this procedure, which can be acknowledged or
ignored. Once the Impact has switched off, fit it into the
Base Station and allow the instrument to fully recharge
before next use.
In severe cases (e.g. when the instrument has not been
used for some time) it may be necessary to repeat this 2 or
three times to restore peak battery performance.
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