7
RF153-en-GB_V1.1 11/18
•
If the temperature of the liquid that you
wish to measure is extreme, allow it to
settle to a workable temperature before
use.
•
Do not use metal tools when sampling.
Metals can damage the prism surface.
•
The prisms are coated for protection; do
not use acetone to clean the prism, as
this will harm the coating.
•
After use, please follow the user manual
instructions for cleaning the prism. Close
the prism cover when storing.
•
If the meter is to be stored for a long
period, remove the battery and close the
prism cover.
•
Never use organic solvents for cleaning.