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MODEL 3081 pH/ORP SECTION 3.0
WIRING
NOTE: MODEL 328A-08 HAS UNDRESSED COAXIAL CABLE. SEE SENSOR INSTRUCTION
SHEET FOR CABLE PREPARATION PROCEDURE.
FIGURE 3-17. Wire functions for Model 328A-07.
NOTES:
1. PLACE PREAMPLIFIER SELECTION SWITCH S1 IN "TRANS-
MITTER" POSITION (SEE SECTION 2.2).
2. JUMPERS SUPPLIED BY CUSTOMER.
3. MODEL 328A-08 HAS UNDRESSED COAXIAL CABLE. CABLE
MUST BE TERMINATED BEFORE WIRING SENSOR TO TRANS-
MITTER. CENTRAL CONDUCTOR IS pH SIGNAL (TB-10) AND
SHIELD IS REFERENCE SIGNAL (TB-7). SEE SENSOR
INSTRUCTION SHEET FOR DETAILS.
4. AUTOMATIC TEMPERATURE COMPENSATION MUST BE
TURNED OFF. SEE SECTION 8.5.
FIGURE 3-18. Wiring diagram for Model 328A.