User Manual
22
Installation and wiring
ME
RE
RE
GD
CG
FE
SE
TS
TS
1 2 3 4 5 6 7 8 9
Oxidation reduction potential 
measurement electrode 
Reference electrode
Temperature 
sensor
Strap (not delivered)
 FE = functional earth
Figure 14 :  Wiring an oxidation reduction potential sensor and a Pt100 or Pt1000 temperature sensor in a pH/ORP 
module
ME
RE
RE
GD
CG
FE
SE
TS
TS
1 2 3 4 5 6 7 8 9
pH 
measurement 
electrode
Reference 
electrode
Temperature 
sensor
Oxidation reduction potential 
measurement electrode
 FE = functional earth
Figure 15 :  Wiring a pH sensor, an oxidation reduction potential sensor and a Pt100 or Pt1000 temperature sensor in a 
pH/ORP module
7.3.6.  Wiring the "COND" conductivity module
Conductivity 
sensor
C+
P+
P-
C-
GD
FE
SE
TS
TS
1 2 3 4 5 6 7 8 9
Temperature 
sensor
 FE = functional earth
Figure 16 :  Wiring a resistive conductivity cell with 2 electrodes and a Pt100 or Pt1000 temperature sensor in a conduc-
tivity module
Type 8619
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