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pH & Conductivity Cooling Tower Controller
Lakewood Instruments Model 2412

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 -

pH & Conductivity Microprocessor-Based Cooling Tower Controller Lakewood Instruments Model 2412

Discontinued Model

LONWORKS® Technology is the latest in microprocessor capability that gives the user the highest level of application flexibility. A large graphic screen, multiple inputs and very easy setup with easy field upgrade characterize this new technology.

* LONWORKS is a registered trademark of Echelon Corporation.


  • Multiple control options in a single economical package.

  • Very accurate control of chemical feed and cycles of concentration.

  • Very low maintenance.

  • Tolerant to power surges and brownouts.

  • Power cord, plug outlets and attached plumbing make installation easy. There is plenty of protected room inside the enclosure for electrician wiring.

  • Very accurate monitoring of the evaporated water.

  • Feeds chemical AFTER blowdown.

  • Has expansion slots to add additional control, such as chiller loop monitor and cycles of concentration based on incoming makeup water.


  • 4-electrode conductivity includes fouling compensation and alarm.

  • Differential pH sensor with diagnostics indicate fouled reference or broken glass.

  • Integral flowsight & flowswitch lockout.

  • Records both makeup (MTR1) and blowdown (MTR2) water meter total gallons.

  • Configure blowdown water meter (MTR2) as second makeup meter.

  • Blowdown Relay options:

  • Bleed x gallons for every x gallons makeup

  • Bleed x minutes for every x gallons of makeup

  • Bleed by setpoint

  • Bleed by cycles of concentration with NCON/NCKT Option

  • Bleed by multi-setpoint selected with NCON/NCKTOption

    • Three user-selectable relay options (four additional with NRLY):

  • Feed by setpoint, direct or reverse;

  • Water meter actuated feed. MTR1, MTR2 or sum;

  • Feed after blowdown by percent of bleed time;

  • Feed by percentage of time;

  • Schedule feed timer (-RTC Option);

  • General alarm contact.

    • Three security levels:

  • View only

  • Operator

  • Technician

    • Four different languages.

  • English Spanish (standard)

  • English French (optional)

  • English German (optional)


Model 2412 Cut Sheet

Model 2412 Spec Sheet

Model 2412 Manual


About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


Our Products

Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

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Water Analyzers and Controllers, Wireless Products, Corrosion Monitoring Equipment, Cooling Tower and Boiler Controllers, a wide variety of Pumps, Valves, Dataloggers and Recorders, HVAC, Instrumentation, Skids and Systems, Containers and Tanks from world leading manufacturers are products you will find on this site.

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