YSI pHotoFlex pH Handheld Colorimeter - Manual (Page 80)

Maintenance, cleaning, disposal pHotoFlex
®
pH
80 ba76123e01 02/2013
5.2.2 Cleaning the cells
Cells have to be clean, dry, and free of fingerprints. Therefore, clean
them regularly:
5.3 Packing
This meter is sent out in a protective transport packing.
We recommend: Keep the packing material. The original packing pro-
tects the meter against damage during transport.
5.4 Disposal
Batteries Dispose of used batteries according to the local regulations of your
country (see section 5.1.1).
Meter At the end of its operational lifetime, the meter must be returned to the
disposal or return system statutory in your country. If you have any
questions, please contact your supplier.
1 Clean the cells inside and out with hydrochloric acid or labora-
tory soap.
2 Rinse out several times with distilled water.
3 Let them dry in the air.
4 Only hold the cells by the top or by the light protection cap so
that the optical path is not impaired.
5 Before measuring, clean the cell with the enclosed cleaning
cloth.