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WebMaster® Water Treatment Controllers
Web Master One & Web Master Industrial

WebMaster is the most powerful family of online process controllers in the water treatment industry. WebMaster 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 WebMaster to control multiple cooling towers, boilers, closed loops, or virtually any water treatment process.

Wide range of direct sensor measurements:

• Conductivity
• pH/ORP
• Free Chlorine/Bromine
• Chlorine Dioxide
• Ozone
• Peracetic Acid
• Electrodeless Conductivity

All standard water treatment control methods are included in every WebMaster:

• 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 & more

• 8 analog inputs
• 12 digital inputs
• Instant alarm notification via email or text message
• System status reports and datalog files can be sent automatically
• Available with Modbus TCP/IP protocol

Featuring the VTouch® Remote Account Manager

• Managed water treatment services
• Fully synchronized with Walchem’s web based controllers, making set-up and configuration simple and fast.
• No more tracking cellular data or dial-up ISP plans
• Quick, centralized 24/7 awareness of account status