Complete Water Treatment Controller Systems CDCN13, $2550, shown smaller than actual size. CDCN13 Series Starts at ߜ Conductivity/TDS Control with Choice of Bleed Programs ߜ Temperature Monitoring ߜ Make Up and Bleed Watermeter Totalizers ߜ Langelier Saturation Index for Water Balance ߜ Six Feed Programs for 4 Chemical Additives ߜ “Booster” Chemical Feed to Schedule a Delayed One Time Feed Event ߜ Time Based Low Chemical Level Alarm ߜ Probe Failure Indication and Alarm ߜ Automatic Probe Rinse to Clean Sensors ߜ Integral Data Logging for up to 999 Points with RS232 Communications ߜ NEMA 4X Wall Mount Enclosure ߜ Water Test for Alkalinity and Hardness ߜ Remote Computer Operation with Windows Software ߜ Quick Release Enclosure Design for Fast Access and Wiring Options Include: ߜ pH Control ߜ ORP Monitoring and Control ߜ 4 to 20 mA Analog Outputs ߜ RS485 Communications The CDCN13 is a fully programmable controller designed for complete chemical automation (conductivity, pH and ORP) as well as control of chemical additives, all with data logging, RS232 communications, and available RS485. This controller can easily handle cooling tower, boiler, industrial process water, food processing, drinking water and wastewater treatment applications. Featuring high accuracy and easy installation and operation, engineering units can be displayed in either US or metric values using the 16-button keypad and the large, 8-line LCD readout with simple scroll-through menus. Standard features include conductivity control, with the ability to control 4 additive feed programs. You can get a readout of the probe temperature. pH and ORP measurement and control is available, as is a safety flow switch contact, and RS485 communications. Our Conductivity Instruments product line continues to expand, visit omega.com for new details! The CDCN13 has 8 control relay outputs, for up to 4 chemical additives, fill valve, bleed valve, probe rinse, and remote alarm. Standard features also include 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-ofrange conditions. The automatic probe rinse can be used for either manual or automatic cleaning of pH or ORP electrodes. Specifications Measurement Range: Conductivity: 0 to 20000 µS/cm or ppm; conversion factor for TDS pH: 0 to 14 pH; setpoint for acid or base feed ORP: 0 to 999 mV; programmable shock treatment Accuracy: Conductivity: ±1% rdg pH: ±0.1 pH ORP: ±10 mV Resolution: Conductivity: 1µS pH: 0.01 pH ORP: 1 mV For Sales & Service U.S.A. and Canada

Temperature Range: -18 to 60°C (0 to 140°F) Watermeter Input: For totalizer function 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; RS232 communication port for local download and printing Networking: RS485 port for multiple connections (optional) Remote Operation: Software...

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