Ph Calibration - Mettler Toledo M300 Guia De Inicio Rapido

6

pH Calibration

For Display setup, analog outputs and setpoints see the section "General Setup".
pH Two point Calibration
A
A
7.0
MΩ-cm
25.0
°C
Calibrate Sensor
Channel A pH
H
7.0
pH
25.0
°C
pH Calibration
Type = 2 point
H
7.0
pH
25.0
°C
Press ENTER when
Sensor is in Buffer 1
H
7.0
pH
25.0
°C
Point1= 4.01 pH
pH= 4.00 pH
H
7.0
pH
25.0
°C
Press ENTER when
Sensor is in Buffer 2
(PATH: Cal)
For Multi-channel devices: Using the
user change the channel to be calibrated.
While in Measurement mode press the u key. If the display prompts you to enter the
calibration security code, press the
then press the [ENTER] key to confirm the calibration security code.
or q key to select the pH calibration sub function.
Press the
A flashing "H" (alternating with "A" or "B" to show the channel being calibrated for
multi-channel devices) in the top left hand corner shows the ongoing calibration process.
Select 2 point Calibration by pressing the [ENTER] key.
ì
Place the electrode in the first buffer solution and then press the [ENTER] key.
ì
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.
ì
As soon as the stabilisation criteria 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.
ì
or q key on the "Channel A" field lets the
or q key to set the calibration security code,
11