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Walchem is a leading manufacturer of on-line analytical instruments and electronic metering pumps. They provide the integration of sensor, pump and electronic technologies for chemical control. Walchem offers innovative solutions by integrating their instruments, sensors, fluid handling and extensive remote data communications with the latest technologies.

Controllers

Controllers

NEW!

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NEW! Intuition-9™
Water Treatment Controllers

Key Benefits:

  • Email, alarm messages, datalog, graph, or system summary reports

  • Datalogging

  • Ethernet or WiFi for remote access via the Internet, LAN, or optional BACnet or Modbus/TCP

  • Large, full-color touchscreen display with icon based programming makes set up 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 sensors, analog outputs, and
    Linear Polarization Resistance (LPR) corrosion sensors

  • Multiple language support allows simple setup

  • Three to twelve relay control outputs allow the controller to be used in
    more applications

  • Sixteen virtual inputs and sixteen virtual outputs

  • 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

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NEW! Intuition-6™
Water Treatment Controllers

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

  • Six relay control outputs

  • Combination Sensor Input & Analog Input board that adds even more flexibility

  • Lead/Lag control of relays

  • 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

  • Economical wall-mount package for easy installation

  • On-screen and web page graphing of sensor values and control output status

  • The Intuition-6™ with amperometric chlorine sensors can be used for reporting chlorine rural measurements in accordance with EPA Method 334.0.

  • Six virtual inputs and six virtual outputs

  • Complete flexibility in the function of each relay

  • Email Alarm messages, Datalogs, Graphs, or System Summary reports

  • Ethernet option for remote access via the Internet, LAN, BACnet or Modbus/TCP

W100W Controller
W100W Controllers

  • 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

  • Three control outputs allow the controller to be used in more places than other entry level models

W100P Controllers
W100P Controllers

  • Large display with icon based programming makes setup easy

  • Compact ¼ DIN panel mount enclosure

  • Universal sensor input provides extraordinary flexibility; the same controller can be used with almost any type of sensor needed; conductivity (contacting and electrodeless), amplified pH/ORP, or
    disinfection

  • Two pH/ORP models available for use with non-amplified electrodes with or without a BNC connector

  • Multiple language support allows simple setup no matter where your business takes you

  • Four control outputs allow the controller to be used in more places than other entry level models

Accessories

Accessories

Flow Control Valves
Motorized Ball Valves
WFP Paddlewheel Flowmeters
Solenoid Valves for Cooling Tower and Boiler Applications
Flow Control Valves

  • Flow and Feed sensors to verify metering pump performance

  • Mounting brackets for metering pumps

  • Polyethylene storage tanks

  • Multi-function/Tri-purpose valves to provide anti-syphon, back pressure and pressure relief for metering pumps

  • Paddlewheel/Multi-jet in-line flowmeters for proportional chemical feed

  • Calibration columns to verify metering pump output

  • Valves for cooling tower and boiler applications

  • Point level sensors to monitor tank levels

Motorized Ball Valves

  • Flow and Feed sensors to verify metering pump performance

  • Mounting brackets for metering pumps

  • Polyethylene storage tanks

  • Multi-function/Tri-purpose valves to provide anti-syphon, back pressure and pressure relief for metering pumps

  • Paddlewheel/Multi-jet in-line flowmeters for proportional chemical feed

  • Calibration columns to verify metering pump output

  • Valves for cooling tower and boiler applications

  • Point level sensors to monitor tank levels

WFP Paddlewheel Flowmeters

  • Impeller-type insertion meters designed for use in pipe sizes from ½” to 6”.

  • High quality jewel bearings provide accurate performance across the entire flow range.

  • Hall effect sensor output can be connected directly to your controller or metering pump.

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Solenoid Valves for Cooling Tower and Boiler Applications

  • Epoxy Encapsulated Solenoid

  • Normally Closed Operation

  • May Be Mounted In Any Position

  • 1/2”, 3/4” and 1” Sizes

Sensors

WEL pH and ORP Electrodes
Sensors
Disinfection Sensors
Little Dipper 2
Handheld Little Dipper Fluorometer
WEL pH and ORP Electrodes
Disinfection Sensors
Little Dipper 2
Handheld Little Dipper Fluorometer

  • Replaceable salt bridge for long life

  • Field proven differential design

  • Transmits signal 3,000 feet (915 meters)

  • Walchem preamplifier models are compatible with

  • Walchem

  • controllers

  • Conventional preamplifier models are compatible

  • with GLI and

  • Aquametrix (Lisle Metrix) controllers

  • Resistant to ground loop problems

  • Low maintenance - no costly reagents or tubing to replace

  • Broad range of applications - wide variety of oxidizers and measurement ranges

  • Fast response - continuous measurement technique

  • No waste - the sample can be returned to the process

  • Simple calibration with the WebMasterONE

  • Simple installation - now with built-in isolator

  • Provides better control of treatment chemicals

  • Solid-state LED/Photodiode technology, no moving parts

  • Typical sensitivity to less than 1 ppb

  • Quick-disconnect watertight connector

  • Improved turbidity and dissolved iron rejection

  • Dustproof, watertight, highly durable case

  • Small size easily fits in shirt or jacket pocket

  • Operates using AA batteries for >10,000 measurements per set

  • Single-point (100 ppb) calibration

  • 5 second warm up

  • Low maintenance field fluorometer

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