* LONWORKS is a registered trademark of Echelon Corporation.

Products

• 100 Series Cooling Tower Controllers
  The Model 101 Series are basic bleed-and-feed cooling tower controllers ideal for closed-loop systems when configured with reverse setpoint.
• NEW Model 140 Coolling Tower Constroller Basic controller system for simple water treatment applications where only 1 biocide is being fed.
   
• Discontinued Model 330 ORP Cooling Tower Controllers
  The Lakewood model 330 allows you to control ORP levels in your cooling tower.
   
• Discontinued Model 350 pH Cooling Tower Controller
  The Lakewood model 350 allows you to control acid and/or caustic feed in order to maintain desired pH levels in your cooling tower.
   
• Lakewood Instruments Model 1575e Water Treatment Controller
  The 1575 monitors conductivity, a flow switch, two water meters, and two drum switch inputs
   
• Model 2175 Microprocessor-Based Conductivity Cooling Tower Controllers
  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.
   
• Model 2330 Microprocessor-Based ORP Controller
  Differential ORP sensor with diagnostics indicate fouled reference or open pt band and Integral flowsight & flowswitch lockout. Records both makeup (MTR1) and blowdown (MTR2) water meter total gallons.
   
• Model 2350 Microprocessor-Based pH Cooling Tower Controllers
  Differential pH sensor with diagnostics indicate fouled reference or broken glass with Integral flowsight & flowswitch lockout. Four user-selectable relay options (four additional with NRLY), and three security levels
   
• Model 2412 Microprocessor-Based pH & Conductivity Cooling Tower Controllers
  Multiple control options in a single economical package with very accurate control of chemical feed and cycles of concentration, requires very low maintenance and is tolerant to power surges and brownouts.
   
• Model 2412-N4 LonWorks Technology-Based Cooling Water Controller
  Cooling water controller with larger NEMA 4X enclosure provides room to house modem and NRLY option. 4-electrode conductivity includes fouling compensation and dirty sensor "Fouled Electrode" alarm.
   
• Model 2430 Microprocessor-Based ORP & Conductivity Cooling Tower Controllers
  Microprocessor-Based ORP & Conductivity Cooling Tower Controllers with very accurate control of chemical feed and cycles of concentration requiring very low maintenance.
   
• Model 2430-N4
  Microprocessor-Based ORP & Conductivity Cooling Tower Controller with multiple control options in a single economical package with very accurate control of chemical feed and cycles of concentration which requires very low maintenance.