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The CHEMTROL® CT3000 is a programmable control system that offers conductivity (or TDS) control, four chemical feed programs (for scale/corrosion inhibitors, biocides), two watermeter totalizers, optional chemical automation (ORP and/or pH), and water balance with Langelier Saturation index.

NOTE: Programmable pump and filter control is available on the CHEMTROL® CT6000 Integrated Controller.



The CHEMTROL® CT3000 controller is a fully programmable controller designed for complete chemical automation (Conductivity, pH and ORP) as well as control of chemical additives (inhibitors, biocides, dispersants, etc.), water level, and influent/effluent pressures in cooling towers, boilers, and waste water, all with full remote duplex capability. The user-friendly eight-line Main Screen display enables the operator to supervise all the process functions at a glance and to quickly respond to any changing condition with choice of operating language (English, French and Spanish) and units (US or metric). Entries are made on the 16-key keypad on the front panel.  Each unit is supplied with a full 40-page instruction manuals with schematics of installation and menu flow charts.


All CHEMTROL® controllers are covered  with a FIVE-YEAR electronics warranty backed up by our network of factory-trained Qualified Dealers.


The CHEMTROL® CT3000C controller includes the following standard features:

  •   Conductivity/TDS control with choice of bleed programs.
  •   Temperature monitoring.
  •   Make-up & bleed watermeter totalizers.
  •   Automatic calculation of the Langelier Saturation Index (LSI) for water balance.
  •   Six separate feed programs for all 4 chemical additives (inhibitor, biocide, etc.)
    •   manual  
    •   bleed-and-feed  
    •   bleed-then-feed               
    •   cycle timer  
    •   percent of make-up flow            
    •   daily schedule          
  •   "Booster" chemical feed program to schedule a delayed one-time feed event
  •   Low chemical level alarm (based on accumulated run time of  feed outlet)
  •   Dynamic probe testing with sensor failure warning.
  •   Automatic probe rinse program to clean sensors.
  •   Differential signal amplification for added stability.
  •   Choice of 1,2 or 3-point calibration for all sensors.
  •   Automatic data logging with.RS232 serial download.

    Optional features include:

  •   pH control with automatic acid and base feed.
  •   ORP monitoring and control for oxidizing sanitizer and biocides.
  •   Automatic water level control with optical sensor
  •   Influent and effluent pressure monitoring at the heat exchanger.
  •   True duplex remote computer operation with WindowsTM graphic display.
  •   4-20 mA signal ouput for conductivity, pH, ORP, and temperature channels

    Features available on other models include:

  •   Filter control with choice of backwash programs.


The CHEMTROL® CT3000 controller operates like a computer with full-screen displays and direct access to all menus and submenus. The front panel keypad is used to move up and down each menu and enter or exit the submenus. All operating functions can be easily modified from the keypad, including sensor calibration, control setpoints, alarm levels and the different feed programs.


With the communications package, any number of facilities can be monitored either by remote computer or by telephone. This allows real-time supervision by management and remote troubleshooting by a CHEMTROL® Qualified Dealer or by factory technical support. The remote operation option features true duplex remote control by PC computer under Windows software, including bakground operation while running other programs. The voice telephone option includes status reports, operational control and automatic callout with voice message to up to three different phone numbers in case of emergency.



Technical brochures are always available free of charge by calling our office. For faster service, you can print good quality customer brochures on your own printer from the following Acrobat file.


Technical brochures are always available free of charge by calling our office. For faster service, you can print good quality customer brochures on your own printer from the following Acrobat file.

Download CT3000 Brochure

Download CT Series Brochure

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