Perform 3-Point Calibration; Perform An Orp Electrode Calibration - OHAUS a-AB33M1 Mode D'emploi

EN-14
3.2.3

Perform 3-point calibration

Repeat the steps for performing a 2-point calibration to perform a 3-point calibration
using a third buffer.
If you use an a-AB41PH model, you can repeat the previous steps and continue to finish
a 5-point calibration.
3.2.4

Perform an ORP electrode calibration

To perform an ORP calibration:
1 Prepare the electrode according to the instructions in the electrode manual.
Connect the electrode to the meter/analyzer.
2 Touch the mode area one or several times to select ORP.
3 Touch the
4 Touch ORP if you are using an a-AB33M1 model. Skip this step if you are using
other models.
5 Follow the instruction on the screen to rinse the electrode, place it in a standard
solution, stir 5 seconds, and wait for 30 seconds.
6 Press the
icon on the screen starts to blink during the process.
Note:
Calibration starts with the Auto End Point Mode.

Pressing the

7 The meter reaches endpoint automatically.
a) Touch Finish to complete the calibration, and the calibration result will be
shown (e.g. 433mV, ±3mV, 430mV, 25°C).
b) Touch Recalibration if you want to re-calibrate and repeat the previous
steps.
Note:
 Pressing the
measurement screen.
Touch the

a computer.
icon on the screen.
button when you finish the previous step to start calibration. The
button during the calibration can cancel the process.
button can cancel the calibration and return to
icon to print the result if you connect the meter to a printer or
Analyzer and Bench Meter