W900 Controllers
The Next Generation of Powerful Control!
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
Summary of Key Benefits:
- 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 relay 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
Brochures
- W900 Controller Brochure
- W900 Demo (username: admin, password: 5555)
Manuals
