Omega Engineering PHCN-410 Operator's Manual page 8

2-6
electrode has failed.
pH buffer 7.00 was n
7.00 solution. Press the CAL key.
At this time
the "CAL"
annunciator
light w
light goes off, the first point is calibrated. If "7-E" appea
display, this means the
buffer
rinse the electrode with distilled woter, and
compensation probe (if using ATC) to the m
Figure
2-3).
Apply power to the instrument.
Remove the electrode protector from the end o
pH electrode ond
pH calibration procedure is as follows:
1.
2.
3.
Connect the combinotion
pH measurement. It is also necessary to recalibrate the
periodically. The frequency of recalibration is system dep
The
pH meter
pH Electrode
Calibration of the electrode to the
pH Electro
3.1 Calibrating the
Installing the Controller
Notes
Calibrating the