Walchem's range of cooling tower controllers
Walchem 100 series cooling tower controller
Three powerful control outputs make the W100W a more versatile, high value choice among entry level water treatment controllers. The W100W series provide an economical and reliable way to keep your water treatment program under control. Universal sensor input provides extraordinary flexibility; the same controller can be used with almost any type of sensor needed
Walchem 600 series cooling tower controller
W600 series online cooling tower controllers with the latest in technological innovation including large touch screen display. Low cost, reliable control of 1 or 2 cooling towers. Up to 2 direct sensor inputs (conductivity, either pH or ORP or chlorine/ bromine specific) and 6 relays available. Two virtual Inputs that are calculated from two real inputs, (cycles of concentration, % rejection, etc.). Multiple feed modes and dual biocide additions
Walchem W900 series online cooling controller for legionnella control
W900 series online cooling tower controllers. 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. Eight relay control outputs. Eight virtual Inputs. 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, local/ remote communications, data logging and email/ text message alarms. Handles multiple towers
electronic log book
Any on-line enabled W600/900 series controller can automatically supply data to a dedicated data
warehouse. Click on the button link to go to our electronic log book page