YSI IQ S ENSOR N ET TriOxmatic 702 IQ - Manual (Page 25)

TriOxmatic
®
702 IQ Maintenance, cleaning, disposal, and replacement
5 - 3 ba76048e01 01/2012
5.3 Changing the electrolyte and membrane cap
YSI delivers the sensor ready for operation. The electrolyte solution
and membrane head must only be replaced:
 the electrolyte solution is depleted or the counter electrode is
poisoned (log book message)
 after the gold working electrode and the silver counter electrode
have been cleaned
Note
Information on the contents and structure of the log book, and how to
call it up, is given in the L
OG BOOK chapter of the IQ S ENSOR N ET
system operating manual.
Note
Only unscrew the membrane head for maintenance purposes. After
doing so, always use a new membrane head!
4 If necessary, carefully dry the membrane with a lint-free paper
towel.
5 Also clean the flow-thru vessel.
6 Recalibrate the sensor (see section 4.2 C ALIBRATION ).
7 Install the sensor again in the flow-thru vessel.