Owner manual


4. Press
to enter calibration mode. The “CAL”, “BUFFER
and “7
Displayed value will be the uncalibrated sensor.
NOTES: 7” and BUFFER
II will not adjust.



is defective and needs to be replaced
.
  or 
NOTE:
cause “FAC” to appear. This indicates the need for sensor replacement
The “FAC”
internal electronic calibration is not intended to replace calibration with
        Each “FAC” indicates a

 to accept the preset factory value, or you may
reduce your variation from factory setting by pressing or
.
6. Press 

exit by pressing any measurement key.
b. 
IMPORTANT: Always calibrate or verify your Ultrameter II
buffer solution before adjusting the gain with acid or base buffers, i.e.,

point “Gain” calibration and then the opposite for the 3rd point. The
display will verify that a buffer is in the sensor well by displaying either
Acd” or “bAS”.
 


 CAL”, “BUFFER” and “Acd” or “bAS
