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• The main display shows the actual reading, while the secondary level displays
the current temperature and the standard value.
• To change the standard value, press <Cal. point> and the list of available
standard values is displayed: 0 µS/cm, 84 µS/cm, 1413 µS/cm, 5.00 mS/cm,
12.88 mS/cm, 80.0 mS/cm and 111.8 mS/cm.
• The third level displays the status message.
• Press <Custom> to insert a custom value (temperature compensated value).
Insert the desired value using the keypad, then press <Accept>.
• When the reading becomes stable, the stability timer will count down and
<Confirm> will appear. Press <Confirm> to save the calibration.
• After confirmation, the following messages are displayed: "Storing" and "Cali-
bration completed".
• Press <OK> to return to the "Calibration" menu.
• Press ESC twice to return to main menu.
• Press <Measure> to return to the measurement screen.
Absolute Conductivity
• Select "Absolute conductivity" from the "Conduc-
tivity calibration" menu.
• Use the keypad to enter the custom value with
the desired resolution. Press <Accept> to con-
firm.
• Fill the calibration beaker with conductivity stan-
dard with known conductivity at the temperature of standardization.
• Pour additional standard into a second beaker to be used to rinse the sensor.
• Immerse the sensor into the rinse beaker and raise and lower the beaker to
ensure that the EC sensor channels are filled with fresh standard.
• Place the calibration beaker over the EC sensor and dislodge any trapped
bubbles. Screw the beaker into place.
• Wait for the reading to stabilize. The stability timer will count down and <Con-
firm> will appear.
• Note the temperature and adjust the conductivity value if needed.
• Press <Confirm> to save the calibration.
• After confirmation, the following messages are displayed: "Storing" and "Cali-
bration completed".
• Press <OK> to return to the "Calibration" menu.
• Press ESC twice to return to the main menu.
• Press <Measure> to return to the measurement screen.
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