Bench-top A211 pH meter setup

When the titration program is running and communicating with the pH meter, it automatically applies the following settings to the pH meter:

  • Display is in Abs mV.

  • Output/print is in timed mode, with the interval set to 5 seconds.

  • Output format is comp.

Communication setup

Follow these steps to configure the A211 communication parameters. You may need to do this if you provide your own A211 or if you change the settings on the unit provided with the LI-5800A. These steps are adapted from the A211 manufacturer's documentation.

  1. In measurement mode, press (setup) to access the main menu.

  2. Turn Print to on.

    1. Press (mode) and then press f3 (select) to view System Setup.

    2. With Export Data selected, press f3 (select) to open the settings.

    3. With Printing selected, press f3 (select) to open the settings.

    4. Set Printing to On (press (log/print) to select on and press f3 (select) to change the setting).

  3. Verify that the Comm Setup is set to RS232.

  4. Set Data Format to PC (CSV).

    1. Press (log/print) to select Data Format and press f3 (select).

    2. Select CSV (press (log/print) to select PC (CSV) and press f3 (select) to change the setting).

  5. Set the baud rate to 9600.

    1. Press (log/print) to select Comm Config and press f3 (select).

    2. Press (log/print) to select 9600 and press f3 (select) to change the setting.

    3. Press f1 (back) to return to the menu.

  6. Disable local data storage.

    1. Press (log/print) to select DataLog and press f3 (select).

    2. Press (log/print) to select off and press f3 (select) to apply the setting.

  7. Disable auto-shut off.

    1. Press f2 (page).

    2. Press (log/print) to select Auto Shut Off and press f3 (select).

    3. Press (log/print) to select off and press f3 (select) to apply the setting.

  8. Press measure (esc) to return to measurement mode.

Output timing setup

Follow these steps to configure the data output timing.

  1. In measurement mode, press (setup) to access the main menu.

  2. Select Channel and press f3 (select).

  3. Press (log/print) to select Mode and settings and press f3 (select).

  4. Set Measure mode to mv.

    1. Press (log/print) to select Measure mode and press f3 (select).

    2. Press (log/print) to select mv and press f3 (select).

  5. Set read type to timed.

    1. Press (log/print) to select Read Type and press f3 (select).

    2. Press (log/print) to select Timed.

      If the setting shows 00:00:05, press f3 (select). If it is not 00:00:05:

      1. Press (mode) to select the last two digits 00:00:xx.

      2. Press f3 (edit) to access the numeric entry screen.

      3. Press (mode) to select number 5, then press f3 (enter) and f2 (done) to apply the setting.

  6. Press measure (esc) to return to the measurement mode.