Omega Vehicle Security PHCN-410 manual Calibrating the pH Electrode, display, this means the

Installing the Controller

Notes

2-6

Calibrating the pH Electr

3.1 Calibrating the pH Electrode

Calibration of the electrode to the pH meter pH measurement. It is also necessary to recalibrate the periodically. The frequency of recalibration is system de

The pH calibration procedure is as follows:

1.Connect the combinotion pH electrode ond compensation probe (if using ATC) to the m Figure 2-3).

2.Apply power to the instrument.

3.Remove the electrode protector from the end o rinse the electrode with distilled woter, and buffer 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	pH buffer 7.00 was n
electrode has failed.