Cleaning; Cleaning The Cell Shaft - wtw pHotoFlex STD Manual

Maintenance, cleaning, disposal
62
2 If necessary, take four old batteries out of the battery compartment.
3 Connect the cable of the battery pack with the socket (3) on the bot-
tom of the battery compartment and insert the battery pack in the bat-
tery compartment.
4 Close the battery compartment and fix it with the screws.
Dispose of used batteries according to the local regulations of
your country.
End users within the European Union are obligated to return used batteries
(even ecologically compatible ones) to a collection point set up for recycling
purposes.
Batteries are marked with the crossed-out waste container symbol. There-
fore, they may not be disposed with the domestic waste.
5.2

Cleaning

Occasionally wipe the outside of the measuring instrument with a damp, lint-
free cloth. Disinfect the housing with isopropanol as required.
NOTE
The housing parts are made of plastic (polyurethane, ABS and
PMMA) and are only conditionally resistant against organic solvents. Thus,
avoid contact with acetone and similar detergents that contain solvents. Re-
move any splashes immediately.

5.2.1 Cleaning the cell shaft

If liquid is in the cell shaft (e.g. due to a spilled cell), clean the cell shaft as
follows:
CAUTION
Cells may contain toxic or corrosive substances. If the contents are re-
leased, observe the hazard information on the cell. If necessary, take
corresponding protective measures (protective goggles, protective
gloves etc.).
1 Switch the pHotoFlex
2 Rinse the cell shaft with distilled water.
®
STD off and pull out the power plug.
®
pHotoFlex STD
ba75958e07 11/2020