cooling tower controller
WebMasterONE® series Walchem



WebMasterONE is the most powerful family of online process controllers in the water treatment industry. WebMasterONE couples a powerful multi-I/O platform with Walchem's analytical sensors and extensive communications technologies. The result is the ability to remotely monitor and control your process from any computer, anywhere in the world, with just a standard web browser.

Simple, intuitive programming makes it easy to configure your WebMasterONE to control multiple cooling towers, boilers, closed loops, or virtually any water treatment process.

Wide range of direct sensor measurements:
Free Chlorine/Bromine
Electrodeless Conductivity
Chlorine Dioxide

All standard water treatment control methods are included in every WebMasterONE:
On/Off and Time Proportional Control
Inhibitor feed
Intermittent boiler sampling with flashing detection
Biocide timers
ORP spike feed of chlorine
Volume based cycles control
And more....