Manual

16
 your standard.
 
c. Press or , then press 
times in TDS. The “CAL” icon will appear on the display.
d. Press or to step the displayed value toward the
standard’s value or hold a key down to scroll rapidly through
the reading.
e. Press 
calibration sequence for this particular solution type.
  
        
          

4. 
If calibration is suspect or known to be incorrect, and no standard solution
is available, the calibration value can be replaced with the original factory
value for that solution. This “FAC” value is the same for all Ultrameter IIs,
and returns you to a known state without solution in the cell. The “FAC”

        
solutions. If another solution type requires resetting, change solution
type and repeat this procedure.
a. Press or .
b. Press 
twice if in Conductivity, and three times if in TDS to skip over
 
c. Press key until “FAC” appears and release.
d. Press to accept the factory calibration setting.