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CDCN-961-Controller

Conductivity, Resistivity, or TDS Controller

Models In Stock
  • Monitors conductivity, resistivity and TDS in process solutions and water applications.
  • Menu-Driven Programming
  • NEMA 4X (IP65) Protection
  • Programmable High/Low, and Alarm Relays
CDCN-961-Controller
From $ 1,854.40
Models In Stock
Conductivity, Resistivity, or TDS Controller CDCN-961-Controller CDCN-961-Controller
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Product Overview
  • Accuracy ± 1 %
  • Cable Length 5 m
  • Calibration Note Line Resistance Compensation: 0.0 to 20.0 Ω
  • Cell Constant K = 0.01, 0.1, 1, 10, Conductivity Electrode: K=1.0
  • Conductivity Measurement 0.000 to 3.000, 30.00, 300.0 μS/cm
  • Cutout Dimensions 93.5 x 93.5 mm
  • Data Interface RS485
  • Diameter 136 mm
  • Display Type LCD
  • EMC Standard EN 50081-1, EN 50082-1
  • Enclosure Ratings IP65, NEMA Type 4X
  • Frequency 1 to 999 hours 1 to 999 seconds(Frequency of Cleaning Time)
  • Height 108 mm
  • Impedance 600 Ω
  • Materials Graphite
  • Measurement Range Note Conductivity: 0.000 to 3.000, 30.00, 300.0 μS/cm Resistivity: 0.3 to 30.0 MΩcm TDS: 0.000 to 3.000, 30.00, 300.0 ppm, Test Range: 0 to 50.0 mS/cm
  • Number of Relays 3
  • Operating Humidity 10 to 95% RH
  • Operating Temperature, Max 50 °C
  • Operating Temperature, Min -10 °C
  • Output Detail 4 to 20 mA/600 Ω
  • Process Temperature, Max -0.5 °C
  • Process Temperature, Min 130 °C
  • Relay Note 3 SPST/250V 1A, Control Hysteresis Band: 0.1 to 10% FS
  • Resistivity Measurement Range 0.3 to 30.0 MΩcm
  • Resolution 0.001/0.01/0.1 μS/cm
  • Series ID CDCN-961-Controller
  • Temperature Accuracy ± 0.5 °C
  • Temperature Resolution 0.1 °C
  • Temperature Sensor Type 1000 Ω RTD
  • Weight 1650 g
  • Width 100 mm

Supported Applications

The Omega CDCN-961 is a Conductivity Controller / Transmitter designed for separate conductivity and temperature measurement. It features a digital display, multiple setpoints, and configurable output signals intended for industrial process control applications.

Operating Conditions & Performance

The series supports a measurement range from 0.00 to 2000000000.0 μS/cm with a resolution of 0.01 μS/cm. Accuracy is specified as ±0.5% of reading ±0.5% of full scale, and repeatability is ±0.1% of full scale. The response time is listed at 0.5 s.

Operating conditions include an ambient temperature range of 0 to 50 °C and a process temperature range of -5 to 120 °C. Storage temperatures are rated from -20 to 70 °C. Humidity tolerance is 0 to 95% RH (non-condensing). The unit carries an IP65 enclosure rating, with ABS plastic housing material.

Key Performance Parameters

  • Measurement Range: 0.00 to 2000000000.0 μS/cm (configurable via P08)
  • Accuracy: ±0.5% of reading ±0.5% of full scale
  • Hysteresis: 0.1% of full scale
  • Pressure Rating: 0 to 10 bar (process)
  • Load Resistance: 0-600 Ω for analog outputs

Configuration Options

The CDCN-961 offers configurable output signals and setpoint management. The device supports the following electrical connections and signal types via terminal block connection.

Output Signals & Control Options

  • Analog Outputs: 4-20 mA, 0-20 mA, or 0-10 V (configurable in P03)
  • Relay Outputs: Relay 1 (SPDT), Relay 2 (SPDT), and Alarm Relay 3 (SPDT)

Housing & Installation

  • Dimensions: 96 mm x 96 mm x 110 mm
  • Enclosure Rating: IP65
  • Power Supply: 100-240 VAC, 50/60 Hz or 24 VDC
  • Electrical Connection: Terminal block

Configuration Parameters

The controller includes internal parameters for setup and calibration. Factory preliminary values include a temperature set-up (P01) of 25.0 °C, an offset set-up (P02) of 0.00 μS/cm, and control mode (P04) set to Auto.

Key Product Differences

The CDCN-961 series is identified by the model number guide "CDCN-961 - <Model Number>". The primary variation within this family involves the selection of measurement ranges and output configurations via internal parameter settings (P03, P05-P07). All units share the same physical dimensions, enclosure rating, and power supply options.

Approvals include CE certification. No specific wetted materials or sheath specifications are provided for this controller unit in the source documentation; these depend on the external probe selected by the user.

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