CTCII™ Conductivity Controller / TDS Chemical Treatment Controller / Cooling Tower Controller

CTCII, Conductivity, TDS, Chemical, Treatment, Controller, Cooling Tower Controller, Myron L CompanyThe CTCII is an ideal low cost controller for your chemical treatment needs. The single-input controller provides accurate water measurement with conductivity sensors that have built-in temperature compensation. The alarm and single set-point is easily set with the control knob located on the front of the unit, while the clear screw-down lid prevents accidental changes. Adjustable set-point hysteresis prevents relay chattering and improves control.

Two 110VAC powered outlets allow direct connections to dosing pumps for ease of installation. A 3/4'' NPT(M) conductivity sensor with a 10-ft cord that provides temperature compensation between 32 to 212°F (0 to 100°C) at pressures up to 75 psi @ 140 °F (60°C). Add accessory flow switch and manifold to complete the installation.


  • 0-5000 microsiemens or ppm

  • IP65/NEMA 4X water resistant & corrosion proof enclosure

  • Clear, screw down lid allows great visibility while discouraging unauthorized adjustment

  • Comes complete with an easily installed CSAR sensor, or for those more demanding jobs, the optional CS51R sensor

  • Single set point/alarm

  • Easy knob adjustment of set point

  • LED shows �above/below� Alarm/control status

  • 10 amp relay operates on increasing reading

  • Adjustable set point

  • Automatic 25�C temperature compensation

  • Includes power cords
    - One (1) input power cord
    - Two (2) output plugs

  • Selectable 115/230 VAC

Some options include:

  • 3� or 4� Digit Backlit LCD

  • 4-20 mA Output Module

  • 24 VAC Isolated Power Supply

  • 24 VDC Isolated Power Supply

  • CS51R sensor


Save Money & Time:

  • Decrease downtime

  • Increase system life

  • Increase number
    of cycles

  • Reduce wastewater discharge

Designed Specifically for Chemical Treatment - excellent for Cooling Towers

The unique circuitry of the CTCII� Chemical Treatment Controller guarantees accurate and reliable measurements. Drift free performance is assured by �field proven� electronics, including automatic DC offset compensation and highly accurate drive voltage.

Since Temperature Compensation is at the �heart� of accurate water measurement, all MyronL CTCII controllers feature a highly refined and precise TC circuit. This feature perfectly matches the water temperature coefficient as it changes. All models corrected to 25�C.

Standard on all models are two heavy-duty 10 amp output relays, operating on increasing readings. Bright red/green LED indicates above or below set point values.

All CTCII models feature a compact IP65/ NEMA 4X water resistant and corrosion proof rated enclosure 4.7 x 6.3 in./120 x 160 mm. They are suitable for bench or surface mounting.



  • CTCIIT (with Limit Timer)

  • CTCIID (with 3-1/2 Digit LCD)

  • CTCIITD (with Limit Timer & 3-1/2 Digit LCD)

*Custom and OEM Models Available

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