Toroidal Conductivity Monitor

Non-contact conductivity system

ATi’s Model Q46CT Toroidal Conductivity system is designed for online monitoring of chemically aggressive process solutions. While not suitable for low-level conductivity measurement, this Toroidal monitor is an excellent choice for high-conductivity applications.

Conductivity measurement in aggressive chemical solutions or in water systems containing large amounts of solids, oils, and greases is very maintenance intensive using conventional 2 or 4-electrode sensors. However, ATi’s Model Q46CT employs an inductive (Toroidal) sensor that allows measurement in corrosive samples with virtually no maintenance.


Features & specifications

  • Adaptable concentration version for direct display of chemical concentrations.
  • Extra Outputs – Expansion board to add a third analog output or three additional non-isolated low power relays.
  • AC or DC Power Options
  • Flexible, programmable range options from 0-200 PPB up to 0-200 PPM provide maximum application flexibility.
  • AC or DC Power Options
  • 3 Analog Output Options for conductivity and temperature.
  • PID Output
  • Digital Communications available in either Profibus-DP, Modbus-RTU or Ethernet-IP.
  • Relay Assignable – Three SPDT relays are standard, with three additional low power relays available as an option.
  • Flexible Mounting
  • Large, back-lit, LCD Display


  • High Conductivity Processes
  • High Solids Content Processes
  • Pharmaceutical Applications
  • Fume Scrubbers
  • Boiler Blowdown
  • Cooling Towers
  • Chemical Feed
  • Food and Beverage
  • Metal Plating / Rinsing
  • Bioremediation
  • Clean-In-Place
  • Potable Water
  • Wastewater Treatment
  • Pulp and Paper
  • Textile Manufacturing
  • Neutralization Tanks
  • Refining
  • Acid / Caustic Feed


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