Ph Measurement; Mv And Orp Measurement; Temperature Measurement - OHAUS a-AB33M1 Mode D'emploi

EN-16
3.3.2

PH measurement

1 Place the electrode in the sample, stir for 5 seconds and then wait for 30 seconds.
2 Press the
during the measurement.
3 When the meter reaches endpoint (the
icon stops blinking.), it will display the pH value and the temperature.
Note:
 In Continuous End Point Mode, you need to press the
manually end the measurement.
 Touch the
or a computer.
3.3.3

mV and ORP measurement

1 Touch the mode area on the screen to switch between mV and ORP
measurement.
2 Follow the same procedure as for pH measurement.
3.3.4

Temperature measurement

For better accuracy, we recommend to use either a built-in or a separate temperature
electrode.
If a temperature electrode is used, ATC and the sample temperature are

displayed.
If the meter does not detect a temperature electrode, it automatically switches to

the manual temperature compensation mode and MTC appears. MTC temperature
should be set.
Note: a-AB33PH and a-AB33M1 model support to use MTC mode even if a
temperature electrode is used. If MTC mode is selected, it will continue to display
MTC.
Note: the meter accepts NTC 30 kΩ temperature electrode. ATC (Auto Temperature
Compensation) or MTC (Manual Temperature Compensation), the Temperature
Compensation only corrects for the change in the output of the electrode, not for the
change in the actual solution. This means the meter corrects the signal (mV) from the
electrode to get a more accurate pH value according to the real temperature.
button to start the pH measurement, the
icon to print the result if you connect the meter to a printer
Analyzer and Bench Meter
icon starts to blink
icon appears on the display, and the
button to