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12/07 4905 Series Conductivity Cells – Installation and Maintenance 11
Direct Cell to Analyzer Installation
Cell to Analyzer through Junction Box
NOTES:
1. FOR PURE WATER SAMPLES IN NON-CONDUCTIVE (PLASTIC, GLASS, ETC)
PIPING, GROUND THE BLACK CELL ELECTRODE LEAD NEAR THE CELL.
ALTERNATELY, CONNECT TO THE UDA GROUND SCREW AS SHOWN DOTTED.
DO NOT GROUND 10, 25, OR 50 CONSTANT CELLS
2. FOR CELL LEADS BLACK AND WHITE, USE 16 TO 22 AWG CABLE SHIELDED TWISTED PAIR,
WITH 30pF MAX. CAPACITANCE BETWEEN CONDUCTORS, CONNECT SHIELD TO TERMINAL “10”
3. FOR COMPENSATOR LEADS RED AND GREEN, USE 16 TO 22 AWG, TWO CONDUCTOR CABLE
4. CELL TO ANALYZER CABLES ARE CONSIDERED LOW LEVEL. RUN SEPARATE FROM HIGH LEVEL WIRING.
4800 SERIES CONDUCTIVITY CELL
Direct Cell to Analyzer Installation
Cell to Analyzer through Junction Box
NOTES:
1. FOR PURE WATER SAMPLES IN NON-CONDUCTIVE (PLASTIC, GLASS, ETC)
PIPING, GROUND THE BLACK CELL ELECTRODE LEAD NEAR THE CELL.
ALTERNATELY, CONNECT TO THE UDA GROUND SCREW AS SHOWN DOTTED.
DO NOT GROUND 10, 25, OR 50 CONSTANT CELLS
2. FOR CELL LEADS BLACK AND WHITE, USE 16 TO 22 AWG CABLE SHIELDED TWISTED PAIR,
WITH 30pF MAX. CAPACITANCE BETWEEN CONDUCTORS, CONNECT SHIELD TO TERMINAL “10”
3. FOR COMPENSATOR LEADS RED AND GREEN, USE 16 TO 22 AWG, TWO CONDUCTOR CABLE
4. CELL TO ANALYZER CABLES ARE CONSIDERED LOW LEVEL. RUN SEPARATE FROM HIGH LEVEL WIRING.
4800 SERIES CONDUCTIVITY CELL
Figure 4-2 Installation Diagram, 4905 Cells, with 20′ leads directly connected to
UDA2182 Analyzer or connected to Junction Box
50 FT. MAX.
WIRE. 20 FT. OR 50 FT. CABLE LENGTH.
50 FT. MAXIMUM
4905 SERIES CONDUCTIVITY CELL