Walchem Controllers and Sensors

An onsite team of hardware and software engineers keep our Walchem systems current with the latest technology.
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W900 Series Controllers

Connect with the Walchem W900 Series controllers and enjoy unparalleled
versatility in maintaining your water treatment options.

Now with expanded new capabilities:

  • Powerful Control
  • Flexible Programming
  • Online Access
  • Easy Setup
  • Great Value

The Next Generation of Powerful Control

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

  • 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
More Info

W600 Series Controllers

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

  • Large touchscreen display with icon based programming makes setup easy
  • Economical wall-mount package for easy installation
  • Multiple language support allows simple setup no matter where your business takes you
  • Universal sensor input provides extraordinary flexibility; the same controller can be used with almost any type of sensor needed
  • Combination Sensor Input and Analog Input board that add even more flexibility
  • Optional dual analog (4-20 mA) input for Fluorometers or nearly any other process value
  • Six control outputs
  • On-screen and web page graphing of sensor values and control output status
  • Complete flexibility in the function of each relay
  • Datalogging
  • Emailing Alarm messages, Datalog reports or System Summary reports
  • Ethernet option for remote access via the Internet, LAN or Modbus/TCP
More Info

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REMOTE CONTROL FACILITY MONITORING

Monitor and control your systems and change your system parameters anytime from ANYWHERE. One click VTouch LiveConnect™ software is optimized for desktops, laptops, tablets or smartphones.  Your choice!  NO physical visit required!

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ON-LINE MULTIPLE ACCOUNT MANAGEMENT WITH VTOUCH®

On-line summary of account status is not only emailed to you, but you can login and address alarms on the go.  Water quality values are continuously updated in real time. Min, max and average values, as well as alarm status are shown.

VTouch Info and Live Demo

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MANAGE ALL YOUR SYSTEMS ON ONE DASHBOARD

Organize multiple controllers and control parameters however you choose. Assign secure access appropriate to your organization. Custom features can be configured to meet your needs.

VTouch Info and Live Demo
WALCHEM PROBES

Walchem’s WEL Series electrodes are cost-effective differential pH and ORP electrodes. modular in design with a rugged CPVC housing that contains the electronics. pH and ORP cartridges can easily be connected or replaced in minutes without tools. Walchem probes are industrial grade and only require calibration every two to three months. You can be confident that you have the best and most efficient components for your aquatic system.

More Info

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