Mettler Toledo M300 Guia De Inicio Rapido página 12

H
7.0
pH
25.0
°C
Point2 = 6.86 pH
pH = 7.00 pH
Process calibration
H
7.0
pH
25.0
°C
pH Calibration
Type = Process
A
7.0
pH
25.0
°C
Point1 = 7.00 pH
pH = 6.87 pH
A
7.0
pH
25.0
°C
pH S=100.0 % Z=7.124
Save Calibration Yes
12
As soon as the stabilisation criteria have been fulfilled (or [ENTER] was pressed in
manual mode) the display changes to show the slope calibration factor S and the off-
set calibration factor Z. Select Yes to save the calibration values and the successful
ì
Calibration is confirmed on the display.
Select Process Calibration by pressing the
key. To show the ongoing Calibration Process an "H"is displayed in the top left hand
corner.
ì
The "H" changes to "A" (or channel "B" for multi-channel devices) if Process Calibra-
tion is selected to show the user the ongoing calibration on Channel "A".
Take a sample and press the [ENTER] key again to store the current measuring Val-
ì
ue.
After determining the pH Value of the Sample press the u key again to proceed with
the calibration. If the display prompts you to enter the calibration security code, press
or q key to set the calibration security code, then press the ENTER key to con-
the
firm the calibration security code.
Enter the pH value of the sample then press the [ENTER] key to start calibration.
After the calibration the slope calibration factor S and the offset calibration factor Z are
displayed. Select Yes to save the new calibration values and the successful Calibra-
ì
tion is confirmed on the display. The "A" in the top left hand corner disappears.
key once followed by the [ENTER]