GE pH/C-900 Operating Instructions Manual page 24

3 System description
3.1 Illustrations
pH electrode
Figure 3.3: Glass pH electrode
Part
1
2
3
4
5
6
24
1
2
3
4
5
6
7
8
9
10
Function
Sealing
Internal electrolyte bridge containing 4M KCl saturated with AgCl
Silicone sealing
Ag/AgCl reference electrode
Internal annular coaxial ceramic reference junction
External electrolyte bridge containing 1M KNO
3
Monitor pH/C-900 Operating Instructions 29-0549-25 AB