
3-wire distribution system:
3-wire distribution system
pH/ORP sensor &
temp. probe
PH-300T
terminals
PH-300T
terminals
Coaxial 4-core wire
(7202-F94009-BK)
Terminals on
transmitter
Coaxial inner
GLASS
S+
Coaxial inner
GLASS
Coaxial shield
REF.
S-
Coaxial shield
REF
Black wire
SG
V-
Green wire
-12V
Green wire
PT-1000
V+
Red wire
+12V
Red wire
Note:
1. It is necessary to remove a jumper betweeb REF and SG terminals for PH-300T if 3-wire
distribution system is applied.
2. The black wire should be used as SG if 8-26-8 is used as 3-wire distribution.
3. It is necessary to apply our coaxial 4-core wire: 7202-F94009-BK.
pH/ORP
sensor
Temperature probe
Co
axial 4-core wire:
7202-F94009-BK
Shield
Transparent
Red Gr
Red
Gr
Transparent
Shield
Black
Red
Shield
Gr
Transparent
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