27
#$%&(
/
* ??I<$%&
JJ;PA Q; A"
QPQI(<$%&
Y ;"#A
Y ;"BA
Y Q
Y Q Q "
The sensor membrane and internal electrolyte solution must be replaced over the life of the electrode. GF Signet recommends that
%$
between maintenance of the sensor will be dependent on the actual applications, chlorine level and contaminates in the water.
Q ? II
? I K
Membrane caps carry no warranty.
H/' I$/
)=I
G?
G
GIG
I "G
!GI(
8630 transmitter will automatically compensate the free chlorine
G
% free chlorine
5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
100
90
80
70
60
50
40
30
20
10
0
pH at 25 °C
HOCl
OCl ˉ
Figure 1
&' H/' +$/
? I G
8
necessary for accurate chlorine measurement.
?G
G
compensation.
(%JBLB#J&&;=OW&&=O#OAG
%JBLO&JL;=OW&&=$L=A
QG
8 G
()BG
Example:
?GLOG&B
G
?GL&G&B
G "
pH variation
6.5 7.0 7.5 8.0 8.5 9.0
0
±0.3
±0.1
±0.2
Sample pH
Automatic pH compensation recommended
in ranges within shaded area
=
Figure 2
=)K
The membrane cap must be replaced every time the electrolyte is changed.