Xylem handylab pH 11 - Manual (Page 35)

handylab pH 11 Maintenance, cleaning, disposal
35 ba75366e04 01/2011
5 Maintenance, cleaning, disposal
5.1 Maintenance
The measuring instrument is almost maintenance-free.
The only maintenance task is replacing the batteries.
LoBat indicates that the batteries should be changed. The batteries are then
largely depleted.
Replacing the
batteries
Caution
Make sure that the poles of the batteries are the right way round.
The
± signs on the batteries must correspond to the ± signs in the battery
compartment.
Only use leakproof alkaline manganese batteries.
1 Open the housing after the instrument has been switched off:
– Undo the four screws on the underside of the instrument
– Pull down the lower cover (1).
2 If necessary, take the four depleted batteries (2) out of the bat-
tery compartment.
3 Place four new batteries (type Mignon AA) in the battery com-
partment.
4 Close the lower cover (1).
1
2