Perform 1-Point Calibration; Perform 2-Point Calibration - OHAUS a-AB33M1 Mode D'emploi

Analyzer and Bench Meter
3.2.1

Perform 1-point calibration

Select a predefined buffer group before performing the calibration. Please refer to the
Select a predefined buffer group section above for details.
To start calibration:
1 Touch the mode area one or several times to select pH.
2 Touch the
3 Touch pH if you are using an a-AB33M1 model. Skip this step if you are using
other models.
4 Follow the instruction on the screen to rinse the electrode, place it in a calibration
buffer, stir 5 seconds, and wait for 30 seconds.
5 Press the
icon on the screen starts to blink during the process.
Note:
Calibration starts with the Auto End Point Mode.

Pressing the

6 The meter reaches endpoint automatically. The screen will display the calibration
point pH value (e.g. 7.00) with the temperature.
a) Touch Accept to accept the calibration result.
b) Touch Recalibration if you want to re-calibrate and repeat the previous
steps.
7 If you touch Accept in the previous step:
a) Touch Finish to complete calibration, and the calibration result will be shown.
Note:
Press the

screen.
Touch the

printer or a computer.
b) Touch Next to perform a 2
3.2.2

Perform 2-point calibration

After finishing the 1-point calibration as described above, touch Next to perform a 2nd
calibration.
1 Rinse the pH electrode with pure water and wipe off with tissue. Place the
electrode in the next calibration buffer, stir and wait for 30 seconds.
2 Press the
calibration.
3 Repeat the steps for performing the 1-point calibration to finish the 2-point
calibration.
icon on the screen.
button when you finish the previous step to start calibration. The
button during the calibration can cancel the process.
button to exit calibration and return to measurement
icon to print the result if you connect the meter to a
nd
button when you finish the previous step to start the second
calibration.
EN-13