Mettler Toledo M200 easy Guia De Inicio Rapido página 9

7.0
H
pH
25.0
°C
pH Calibration
u
Type = 2 point
7.0
H
pH
25.0
°C
Press ENTER when
u
Sensor is in Buffer 1
7.0
H
pH
25.0
°C
Point1= 4.01 pH
u
pH= 4.00 pH
7.0
H
pH
25.0
°C
Press ENTER when
u
Sensor is in Buffer 2
7.0
H
pH
25.0
°C
Point2 = 6.86 pH
u
pH = 7.00 pH
pH Process Calibration
Start as in chapter pH Two point Calibration described.
7.0
H
pH
25.0
°C
pH Calibration
u
Type = Process
Select 2 point Calibration by pressing the [ENTER] key.
Place the electrode in the first buffer solution and then press the [ENTER] key.
Auto mode: The display shows the buffer that the transmitter has recognized
(Point 1) and the measured value.
Manual mode: Enter the buffer value and press [ENTER] to proceed.
As soon as the drift conditions have been fulfilled (or [ENTER] was pressed in
manual mode) the display changes and prompts you to place the electrode in the
second buffer solution.
As soon as the drift conditions 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
Calibration is confirmed on the display.
The user gets the message "Re-install sensor" and "Press [ENTER]" on the display.
After pressing [ENTER] the M200 easy returns to the measuring mode.
Select "Process" instead of "2 point Calibration" by pressing the
by the [ENTER] key. To show the ongoing Calibration Process an "H"is displayed in
the top left hand corner.
key once followed
m
9