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2. TDS Calibration Mode
You can commence calibration in the TDS mode by using the conductivity
calibration method and after setting the correct TDS factor. For the rest of the
calibration process, follow steps as mentioned in the section on manual calibration.
Use a standard solution of known value for calibration. Use the single-point
standardization option to measure samples that are close in value and multi-point
standardization to measure wide range of samples.
1. Switch the meter on. Make sure the meter is in TDS measurement mode.
2. Press CAL (F2) to go to calibration mode.
3. The meter shows the ‘Calibration-Rinse Electrode’ screen a few seconds
and then shows the cell constant adjustment screen for TDS.
Figure 37 : TDS Cell Constant Adjustment & TDS Calibration Screen
4. The upper display of the TDS cell constant screen shows the cell constant
of the cell & lower display shows the measured value of the solution with
adjusted cell constant. Press
& keys to adjust the cell constant for your
custom solution in upper display.
5. Press ENTER key to confirm the entered value and to go to TDS calibration
screen.
6. The screen shows two readings. The upper display shows the TDS reading
of the solution with respect to previous calibration (if any) & lower display
shows the TDS reading of the solution without any calibration. Use
&
keys to adjust the upper display of the TDS value of your custom solution.
7. Press ENTER key to confirm the entered value.
Note: If the meter is password protected, you will be prompted to enter a
password.
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