Products

TDS/Conductivity Controller

CCT‑3320 is a compact, panel-mounted conductivity/TDS controller designed for real-time inline monitoring of water quality in industrial applications. Featuring selectable electrode constants and engineered for tough environments, the system supports automatic range adjustment, digital temperature compensation, and isolated 4–20 mA output.

Technical Specifications

• Conductivity Cell Constants Supported: 0.01, 0.10, 1.00, 10.00 cm⁻¹

• Measurement Ranges (by constant):

  • 0.01 cm⁻¹: 0.05–18.25 MΩ·cm (ultrapure water)

  • 0.10 cm⁻¹: 0.5–200 µS/cm

  • 1.00 cm⁻¹: 1–2,000 µS/cm

  • 10.0 cm⁻¹: 500–20,000 µS/cm

• TDS Range: 0.25 ppm–10000 ppm (selectable via output units)

• Resolution:

  • Conductivity: 0.01 µS/cm

  • TDS: 0.01 ppm

  • Temperature: 0.1 °C

• Accuracy:

  • Conductivity/TDS: ±1.5% Full Scale

  • Resistivity: ±2.0% FS

  • Temperature: ±0.5 °C

Features & Benefits

• Automatic calibration & no internal potentiometers for higher reliability and low maintenance
• Automatic measurement range switching for seamless operation across multiple conductivity scales
• Selectable units: Conductivity (µS/cm – mS/cm), TDS (ppm – ppt), or resistivity displayed per application requirement
• EMC protection & isolated I/O for stable performance in industrial environments

Applications

• RO/DI water systems, ultrapure and demineralized water
• Cooling towers, boiler feedwater, wastewater/effluent control
• Industrial processes: plating, chemical processing, food & beverage, pharma
• Aquaculture, agriculture, municipal & environmental water treatment