CAUTION!
EQUIPMENT DAMAGE
Do not use a sharp probe. It will puncture the bladder and destroy the sensor.
18. Gently press the probe against the bladder several times to force liquid through the
holes at the base of the cathode stem. Keep pressing the bladder until no air bubbles
can be seen leaving the holes. Be sure the holes remain covered with electrolyte
solution.
19. Place a drop of electrolyte solution on the cathode; then place the membrane
assembly over the cathode.
20. Screw the membrane retainer in place.
The sensor may require several hours operating at the polarizing voltage to
equilibrate after the electrolyte solution has been replenished.
Spare PartsTable 12-1:
Part number Description
33523-00 Electrolyte fill plug
9550094 O-ring, Viton 2-014
33521-00 Membrane retainer
23501-02 Total chlorine membrane assembly: includes one membrane assembly and
one O-ring
23502-02 Total chlorine membrane kit: includes three membrane assemblies and three
O-rings.
9210438 Total chlorine sensor fill solution , 4 oz (120 mL)
12.3 Sample conditioning system
12.3.1 Reagent
The sample conditioning reagent lasts about two months.
Before putting fresh reagent in the carboy, discard any small amount of remaining
reagent. To prepare the reagent refer to the procedure in Section 5.1. See Table 12-2 for
ordering information.
12.3.2 Sample and reagent tubing
Periodically inspect sample and reagent tubing for cracks and leaks. Replace tubing if it is
damaged.
Maintenance
Manual 57
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