Installation, Programming and Maintenance Microdos Pooltec
Rev. 1.0 EN
27
4.5.3.4. PROBES CALIBRATION
4.5.3.4.1. CALIBRATING THE PH PROBE
1. Press the
STAND-BY button.
2. Unscrew the probe holder base, take out the pH probe and insert it into buffer solution pH7 (supplied with the system).
3. With the probe in the 7pH solution, wait for the stabilization of the measurement. Once the measure is stable,
4. Press the “
Calibrate” button inside the pH settings menu.
5. Insert the EXPERT PASSWORD (11222) to enter the calibration procedure.
NOTE: it is possible to exit from the calibration procedure simply pushing “CANCEL.”
6. When “Read value” is stable hit
OK. You will hear a beep when you press OK (to communicate that the measurement is
recorded).
7. Remove the probe from the buffer solution pH7, clean it with a little water.
8. Insert the probe in the buffer solution pH9 (supplied with the system), wait for the stabilization of the measurement. Once the
measure is stable hit
OK.
9. A window with the values of OFFSET and GAIN obtained from the calibration and the PROBE QUALITY CONTROL will appear.
100% = Excellent probe
50% = Good probe to be monitored
25% = probe that you should change
0% = fully exhausted probe
IF THE PROBE QUALITY IS LESS THAN 25%, PLEASE REPEAT CALIBRATION PAYING ATTENTION TO THE VALUES OF BUFFER
SOLUTION. IF THE CALIBRATION GIVES THE SAME RESULTS CONTACT YOUR INSTALLER.
10. Press
OK to return to the pH MENU. The “Last Calibration” box will be updated to the current date.
11. Insert the probe into the probe holder again and screw the probe holder base.
NOTE: follow next step, only if you do not have to calibrate RX probe.
12. On device, press the STAND-BY button to return to the working mode, and press the AUTO button so that our system will
now operate applying the new calibration.
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