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1520E Microprocessor Based Cooling Tower pH Controller



1000 in stock


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.
  • 2 water meter inputs, 2 drum switch inputs, pH or ORP input, flow switch input and 4-20 mA output are all standard features.
  • A 4-20 mA input for remote pH or ORP applications can be used in place of the standard pH or ORP input.
  • 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.

Additional information

Weight 7 lbs


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