YSI pHotoFlex pH Handheld Colorimeter - Manual (Page 77)

pHotoFlex
®
pH Maintenance, cleaning, disposal
77 ba76123e01 02/2013
5 Maintenance, cleaning, disposal
5.1 Maintenance
The meter is almost maintenance-free.
The only maintenance task is replacing the batteries or rechargeable
battery.
5.1.1 Inserting/exchanging the batteries
NOTE
Make sure that the poles of the batteries are positioned correctly.
The ± signs on the batteries must correspond to the ± signs in the bat-
tery compartment.
1 Open the battery compartment:
– Unscrew the two screws (1) on the underside of the meter,
– Remove the lid of the battery compartment (2).
2 If necessary, take four old batteries out of the battery compart-
ment.
3 Insert four batteries (3) in the battery compartment.
4 Close the battery compartment and fix it with the screws.
1
2