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5
Technical Information
Routine Maintenance of the PHD-4
Replacement of the Ni-MH battery pack
The battery pack that powers the PHD-4 consists of 10 individual
elements (Ni-HH technology) managed according to the requirements
of the CPU board of the PHD-4.
WARNING!
Only the Agilent 03.702609 battery can be used on the PHD-4. Never use
different battery packs not furnished by Agilent S.p.A., this operation could be
dangerous and cause injury to the operator and damage to the PHD-4 and to
the surrounding environment.
To replace the battery pack, proceed as described below:
1
Remove the plastic enclosure as described above.
2
Position the PHD-4 inside block on a flat surface able to support
its weight, placing the device so that the battery pack (located in
the lower part of the module) is accessible.
3
Free the battery pack from the two strips of Velcro® A as shown
in the figure.
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PHD-4 Portable Helium Detector User Manual / 87-900-120-01 (F )
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