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PH / ORP Controllers/Copper / Nickel Controllers

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WPH
WPH controllers are easily configured to accurately measure pH or mV (ORP) values from Walchem’s WEL and WDS differential combination electrodes, or any conventional combination electrode.

 Measurement performance
 
Range                        
- 2 to 16 pH ±1500 mV (ORP)
Resolution                    
00015 pH units (01 pH displayed)92 μV (1mV displayed) (ORP)
Accuracy (calibrated)
±001 pH ±1mV (ORP)
Temperature Range       
32 to 212°F ( 0 to 100°C)
Resolution                   
±009°F (005°C)
Accuracy                     
±09°F (05°C)
 
 Features 
 
·         Versatility for broad range of applications
·         Ideal for harsh environments
·         The easy-to-use menu format and pre-wired, pre-mounted panel system options make installation quick and simple 
 
Applications 
 
Industrial, commercial and municipal water treatment, effluent treatment, sewage treatment plants
 
 

 
WCU/WNI
WCU and WNI are optoelectronic on-line analyzers that measure the actual concentration of copper in solution. 

Measurement performance
WCU Concentration Range              
0.01 to 5.5 g/L (0.001 to 0.73 oz/gal)(Electroless copper)
Range                            
0.01 to 99 g/L (0.001 to 13.2 oz/gal) (Microetch copper)
Resolution                      
0.001 g/L (0.0001 oz/gal)
Accuracy                        
0.01 g/L (0.001 oz/gal)
WNI Nickel Concentration Range   
0.01 to 10 g/L (0.001 to 1.33 oz/gal)
Accuracy                         
0.01 g/L (0.001 oz/gal)
pH Range                         
0 to 14 pH
pH Resolution                   
0.001 pH
pH Accuracy                     
±0.01 pH
Temperature Range               
 0 to 100°C (32 to 212°F)
Temperature Resolution           
0.05°
Temperature Accuracy             
±0.1°
 
 
 

Features  
·         Backlit digital display also acts as a bar graph for a continuous “visual summary” of measurement versus set point.
·         Operator adjustable
·         Four separate control relays and outputs for WCU
·         Option PH input board for WNI
Applications
Plating baths
Walchem offers controllers for boiler and cooling tower water treatment also.