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Move the cursor to Calibration PH and press
Enter.
V-MS shows the temperature of the buffer
solution at 25 ° C. Confirm it by pressing Enter.
V-MS shows the pH measure. Change the
reading by entering the value of the buffer
(7.00pH) and press the Enter button.
Rinse with clean water the pH probe, gently remove the water droplets in excess and dip it in the
buffer solution at pH 9.01 or 4.01 or any other value.
V-MS shows the
temperature of the buffer
solution at 25 ° C. Confirm
it by pressing Enter.
V-MS shows the pH
measure of the probe
inside the second buffer
solution. Change the
reading by entering the
value of the buffer (9.01pH in this example) and press the Enter button.
After the Gain calibration V-MS determines the Quality of the Offset and Gain of the pH probe:
100% = Excellent probe
50% = Good probe to be monitored
25% = probe that you should change
0% = fully exhausted probe
While viewing the quality of the probe press Enter to return to the calibration menu or ESC to return to measurement.
NOTE: after the offset calibration, if you hold down the ESC button it is possible to exit the calibration without making the
adjustment of Gain. Please note that it is not recommended to do that and the pH readings made after that may have very
high errors !!! We recommend to calibrate always the offset and the gain !!!
Rev 6.0
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