Manual

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c. Temperature Compensation
pH sensor glass changes its sensitivity slightly with temperature, so the

II 6Psi senses the sensor well
temperature and compensates the reading.
B. 
1.
         
activity in a solution. It is the potential of a solution to give up electrons

Like acidity and alkalinity, the increase of one is at the expense of the
      
with a positive voltage showing, a solution wants to steal electrons
         

 

Like pH, it is not a measurement of concentration directly, but of activity
          
concentration. Also, as with pH, a very dilute solution will take time to
accumulate a readable charge.
 
          
without reacting chemically. That charge is measured relative to the
solution, so the solution “ground” voltage comes from a reference
junction - same as the pH sensor uses.
4. 
            
            
            
compensates for error in the reference junction.
II
6Psi           
        
there is no gain adjustment either.
 

are much the same as for pH. The junction side is the same, and though
the platinum surface will not break like the glass pH surface, its protective