Apera Instruments PH60-MS



Trouble Reason HowtoFix
Calibration
Error
Incorrect calibration
order (Er1)
Always calibrate pH 7 rst, then pH 4 or
pH 10. Refer to Section 4.2.1.


(Er1)



Contaminated
electrode (Er1)
Thorougly clean o the electrode. Refer
to Section 6.
Aged electrode (Er1) Replace the electrode.
Dried-out electrode
(Er1)
Soak in the soaking solution overnight
to restore.
Electrode is not in full
contact with solutions
(Er1)



Air bubbles around
the sensor (Er1)
Make a quick stir in the solution to
remove air bubbles.
Pressing too fast
(Er2)
Wait for the reading to be fully stabilized
before pressing

to finish the
calibration






Thorougly clean o the electrode. Refer
to Section 6.



 










 



 

 