WALCHEM Controllers

Walchem manufactures a wide variety of controller series for the entry level and high end market, including the W600 and W900 controller lines.

Their controllers are designed boiler, cooling tower, and general water treatment applications. They also feature a variety of communications capabilities as well as various feed and control methods. The W600 and W900 series can be configured to communicate with eServiceReport.

We carry a full line of Walchem water treatment controllers, including:

 

W900 Web_W600_head_on_Flowswitch w100w_class
 W900 W600 W100WClass

 

W900 CONTROLLERS

W900Walchem W900 Controller

OVERVIEW

The W900 series provides reliable, flexible and powerful control for your water treatment program.


FEATURES

  • Large touchscreen display with icon based programming makes setup easy
  • Universal sensor input provides extraordinary flexibility; the same controller can be used with almost
  • any type of sensor needed
  • Four I/O slots allow complete flexibility in adding additional sensors, analog inputs, and analog outputs
  • Multiple language support allows simple setup
  • Eight replay control outputs allow the controller to be used in more applications
  • Economical wall-mount package for easy installation
  • On-screen and web page graphing of sensor values and control output status
  • Complete flexibility in the function of each relay:
    • On/Off Setpoint
    • Time Proportional Control
    • Pulse Proportional Control (when purchased with 4-20 mA or pulse solid state opto outputs)
    • Flow Proportional Control (when purchased with 4-20 mA or pulse solid state opto outputs)
    • PID control (when purchased with 4-20 mA or pulse solid state opto outputs)
    • In-Range or Out-of-Range activation
    • Probe wash
    • Timer-based activation
    • Activation based upon the state of a contact closure
    • Timed activation triggered by Water Contactor / Paddlewheel flow meter’s accumulated total flow
    • Activate with another output
    • Activate as a percent of another output’s on-time
    • Alarm
    • Spike Set Point
    • PPM Volume
    • Target PPM
    • For Cooling Tower and Boiler
      applications:

      • Biocide Timer
      • Boiler blowdown on conductivity using intermittent sampling
  • Datalogging
  • Email Alarm messages, Datalog reports or System Summary reports
  • Ethernet for remote access via the Internet, LAN or optional Modbus/TCP
  • Datalogging
  • Ethernet option for remote access via the Internet or LAN

W600 CONTROLLERS

Walchem W600 Controller

OVERVIEW

The W600 series provides reliable, flexible and powerful control for your water treatment program.


FEATURES

 

  • Large touchscreen display with icon based programming makes setup easy
  • Universal sensor input provides extraordinary flexibility; the same controller can be used with almost any type of sensor needed
  • Optional dual analog (4-20 mA) input for Fluorometers or nearly any other process value
  • Multiple language support allows simple setup no matter where your business takes you
  • Six control outputs allow the controller to be used in more applications
  • Economical wall-mount package for easy installation
  • On-screen graphing of sensor values and control output status
  • Complete flexibility in the function of each relay:
    • On/Off Setpoint
    • Time Proportional Control
    • Pulse Proportional Control (when purchased with solid-state relays)
    • In-Range or Out-of-Range activation
    • Probe wash
    • Timer-based activation
    • Activation based upon the state of a contact closure
    • Timed activation triggered by Water Contactor / Paddlewheel flow meter’s accumulated total flow
    • Activate with another output
    • Activate as a percent of another output’s on-time
    • Alarm
    • For Cooling Tower and Boiler applications:
    • Biocide Timer
    • Boiler blowdown on conductivity using intermittent sampling
  • Datalogging
  • Ethernet option for remote access via the Internet or LAN

WALCHEM W100W CLASS

Walchem W100W Controller

OVERVIEW

Plug into more options in water treatment control! Three powerful control outputs make the Walchem W100W a more versatile, high-value choice among entry-level water treatment controllers. The W100W series provide an economical and reliable way to keep your water treatment program under control.


FEATURES

  • Large display with icon-based programming makes setup easy
  • Universal sensor input provides extraordinary flexibility; the same controller can be used with almost any type of sensor needed
  • Multiple language support allows simple setup no matter where your business takes you
  • The third control relay allows the controller to be used in more places than other entry-level products
  • Economical package with no additional cost for timer functionality
  • Complete flexibility in the function of each relay:
    • Bleed on conductivity
    • Bleed time proportional to makeup water volume
    • Boiler Blowdown on conductivity using intermittent sampling
    • Feed in proportion to bleed time
    • Feed time proportional to makeup water volume
    • Feed as percentage of elapsed time
    • Biocide time with pre-bleed and post-feed bleed lockout options
    • Alarm
  • Optional analog (4-20 mA) output for recording, datalogging or connection to building energy management systems

ABOUT WALCHEM

Walchem is a leading manufacturer of on-line analytical instruments and electronic metering pumps. Their mission is to provide the integration of sensor, pump and electronic technologies for chemical control. They provide innovative solutions by integrating their instruments, sensors, fluid handling, and extensive remote data communications technologies. Their success is driven by three tenets: advanced technology, quality customer service, and development of a superior workforce.


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