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1520/30e pH/ORP Controller

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Lakewood Instruments
17.00 LBS

 Product Description

The Model 1520/30e is a microprocessor technology based, menu driven, water treatment controller designed for use in cooling towers, process, and condensate systems. The Model 1520/30e provides for pH or ORP tracking and control, flow monitoring and chemical injection. The Model 1520/30e is NTL/CSA, and CE approved. A large illuminated graphics screen, multiple inputs, and an intuitive menu characterize this new technology. It’s a combination of reliability, accuracy, security and simplicity.

The Model 1520/30e uses the latest in microprocessor capability, giving the user a high level of application flexibility in pH or ORP control. The user in the field can configure this controller to operate as a pH or an ORP controller. A large illuminated graphics screen, multiple inputs, and very easy setup characterize this new technology. Water meters, sensors and plumbing assemblies are purchased separately.


  • Removable power cord and receptacles for simple conduit installations.
  • Scheduled feed, which can use three relays for biocides or other chemicals.
  • Two water meter inputs, two drum switch inputs, pH or ORP input, flow switch input, and 4-20 mA output are all standard features.
  • Designed with a single circuit board for better reliability and lower cost.
  • Large open shallow enclosure for easy wiring.
  • Heavy-duty stainless steel domed numeric keypad and illuminated graphical display allow for quick and easy programming. Steel domed switches improve the tactile sensing and life expectancy of the keypad.
  • LED indicators for power, alarm and relay status.


  • Easy to program with the Lakewood plain English, intuitive, and user friendly menu interface.
  • Controller can be removed from a cooling tower and be placed in another type of application when used with the appropriate pH or ORP sensor.
  • Single circuit board design improves reliability.
  • No add-on options. 4-20 mA output and biocide features are standard.

For additional information, and choosing the correct controller for your application, please review
thepdf Product Specifications Sheet, the pdf Product Cut Sheet, and pdf Product Manual.

If you have any questions or need assistance in selecting the correct controller for your application,
please don't hesitate to contact
EnviroAqua at (818) 890-3200.

For quotes or special requests please contact EnviroAqua toll free at (800) 853-0311.


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