OHAUS a-AB33M1 Instruction Manual page 29

Analyzer and Bench Meter
7 days
14 days
PH electrode check system (PH ECS)
Enter this menu to check the condition of your PH electrode.
To perform the check:
1. Take out the optional ECS tester connector, and remove the cover of the BNC
shorting cap on the connector.
Note: you can contact an authorized OHAUS dealer to purchase the ECS tester
connector.
2. Connect the ECS tester to the meter/analyzer's pH/mV socket as demonstrated in
the following graphic.
3. Touch the Menu icon
4. Touch i-Steward, and then touch PH ECS.
5. Make preparation for the electrode according to the display on the screen, and
then press the
6. Waite for the reading to stabilize. When you see the screen displays "Parallel 100
mΩ resist, keep in pH 4.01 buf", close the cover of the BNC shorting cap on the
connector as demonstrated in the following graphic. Press the
you finish to continue.
= the meter/analyzer will warn if no calibration within 7 days after
the last calibration.
= the meter/analyzer will warn if no calibration within 14 days after
the last calibration.
to enter menu option.
button when you finish to continue.
EN-27
button when