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Conductivity and pH
Water Treatment Controllers
CDCN Series
Starts at
$
1225
Common Features
⻬ Digital Conductivity Display and Control
⻬ Temperature Display
⻬ Three Chemical Feed Programs
(Conductivity, pH and Additive)
⻬ Langelier Saturation Index
for Water Balance
⻬ Chemical Level Alarm
⻬ Integral Data Logging
for up to 999 Points
⻬ Time-Based Chemical Level Alarm
⻬ NEMA 4X Wall Mount Enclosure
⻬ Remote Computer Operation
with Windows Software
Model CDCN11
⻬ One Line LCD Readout with
5-Button Keypad
⻬ Relays for 3 Additive Programs,
Bleed and Alarm
⻬ Conductivity/Temperature,
Water Meter and Flow Switch Inputs
⻬ Watermeter Totalizer Function
Model CDCN12
⻬ 4-Line LCD Readout with
16-Key Numeric Keypad
⻬ Probe Failure Indication and Alarm
⻬ 4 Relays for Additives and/or Alarm
⻬ Quick Release Enclosure Design
for Fast Access and Wiring
Options Include
⻬ pH Control
⻬ Safety Flow Switch
⻬ RS485 Communications
CDCN11, $1225,
shown smaller
than actual size.
The CDCN10 Series is specifically designed to measure
conductivity/dissolved solids and pH in cooling towers, boilers,
industrial process water, food processing, drinking water and
wastewater treatment applications. The CDCN10 Series
conductivity/pH controllers are highly accurate and easy to install
and operate. Engineering units can be displayed in either US or
metric values using the pushbutton keypad and the simple
scroll-through menus. Both units control conductivity, with the
ability to control 3 additive feed programs. You can get a readout
of the probe temperature. pH measurement and control is optional
on both units, as is a safety flow switch contact, and RS485
communications.
The CDCN12 has additional features over the standard CDCN11,
including dynamic probe failure testing for pH/ORP sensors,
allowing the controller to detect a probe failure quickly after it
occurs, so the user can avoid dangerous out-of-range conditions.
For convenience, the CDCN12 features a large 4-line LCD readout
and 16-button keypad.
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CDCN12-PH, $2300 with PHE10
pH electrode, $195, shown
smaller than actual size.
For Sales
& Service
U.S.A. and Canada
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Specifications
Measurement Range:
Conductivity: 0 to 20,000 µS/cm or ppm; conversion factor for TDS
pH: 0 to 14 pH; setpoint for acid or base feed
Accuracy:
Conductivity: ±1% rdg
pH: ±0.1 pH
Resolution:
Conductivity: 1µS
pH: 0.01 pH
Temperature Range: -18 to 60°C (0 to140°F)
Watermeter Input: For totalizer function, CDCN11 only
Sensor Calibration: 1, 2 or 3 points
Control Modes: Off, manual, auto, timer, bleed and feed,
bleed-then-feed, daily schedule
Langelier Index: Water balance display calculated from pH,
temp, total alkalinity and calcium hardness
Alarms: High/low, out-of-range, overfeed and total run time;
visual, audible and external (5 A) alarms
Data Logging: On-board memory for 999 tests; CDCN12 has
RS232 communication port for local download and printing
To Order
(Specify Model Number)
Model No. Price Input Communications Keypad/Display
CDCN11 $1225 Conductivity — 5-button/one line
CDCN11-PH 1875 Conductivity/pH — 5-button/one line
CDCN11-485 1775 Conductivity RS485 5-button/one line
CDCN11-PH-485 2425 Conductivity/pH RS485 5-button/one line
CDCN12 1650 Conductivity RS232 16-button/four line
CDCN12-PH 2300 Conductivity/pH RS232 16-button/four line
CDCN12-485 2200 Conductivity RS232, RS485 16-button/four line
CDCN12-PH-485 2850 Conductivity/pH RS232, RS485 16-button/four line
Networking: RS485 port for multiple connections (optional)
Remote Operation: Software and graphical display for Windows
Power: 115/230 Vac, 10 A
Control Outputs: 5 A relays, SPST
CDCN11 Relays: 3 additive, one alarm, one bleed
CDCN12 Relays: 2 additive, one additive/alarm (selectable),
one bleed
Probe Sensor Failure: CDCN12 only, for pH/ORP electrode
Display:
CDCN11: One line LCD; 5-button keypad
CDCN12: Four line LCD; 16-button keypad
Mechanical: NEMA 4X enclosure
Dimensions:
CDCN11: 240 x 190 x 90 mm (9.5 x 7.5 x 3.5")
CDCN12: 285 x 234 x 155 mm (11.21 x 9.21 x 6.09")
Shipping Weight:
CDCN11: 2.7 kg (6 lb)
CDCN12: 6.0 kg (13 lb)
MOST POPULAR MODELS HIGHLIGHTED!
®
Accessories (Recommended Buffer and Conductivity Solutions)
Model No. Price Description
CDE10 $205 Conductivity sensor
CDE10HP 375 High pressure conductivity sensor
PHE10 195 pH electrode
PHE10HP 335 High pressure pH electrode
FSW10S 170 Shuttle style flow switch
FSW10B 170 Blade style flow switch
PHA-4 5 4.00 pH buffer solution, 500 mL (1 pt) bottle
PHA-7 5 7.00 pH buffer solution, 500 mL (1 pt) bottle
PHA-10 5 10.00 pH buffer solution, 500 mL (1 pt) bottle
CDSA-45 10 45 µmho/cm conductivity solution, 946 mL (1 qt)
CDSA-1413 23 1413 µmho/cm conductivity solution, 946 mL (1 qt)
CDSA-1500 10 1500 µmho/cm conductivity solution, 946 mL (1 qt)
Comes complete with operator’s manual and 3V lithium battery. Probes sold separately.
Note: When ordering the conductivty or pH controller, it is recommended to purchase pH buffer solution, such as PHA-7, pH buffer 7 and
conductivity standard solution, such as CDSA-1413, 1413 µS/cm, $23.
Ordering Examples: CDCN11, conductivity controller, CDE10, conductivity sensor, CDSA-1413, conductivity standard solution, 1413 µS/cm,
$1225 + 205 + 23 = $1453.
CDCN12-PH, conductivity/pH controller with 4 to 20 output, PHE10, pH electrode, PHA-7, pH 7 buffer solution, $2300 + 195 + 5 = $2500.
Order Online
To download information and to order Conductivity
Over 100,000 Products Available!
Instrument products online, visit omega.com
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