YSI APPENDIX F - Manual (Page 7)

Quick Start Guide to Drinking Water Studies Appendix F
Remove a white membrane sheet from the package in the 6573 membrane kit as shown in the picture
below.
CAUTION: The blue sheets are simply protective spacers and CANNOT be used as
membranes for the free chlorine sensor.
White Membrane
As shown in the pictures below, lay the membrane on the probe tip that contains the electrolyte so that the
probe tip is approximately in the middle of the membrane.
As shown in the picture below, place the bottom of the o-ring installation tool over membrane/probe face
and press down securely.
YSI Incorporated Drinking Water Monitoring Systems Operations Manual F-7