23
3.
Press CAL key, the meter shows 0.001ppm (or mg/L, mol/L, mmol/L).
4.
If necessary, press
or
key to select the desired calibration point (e.g., 0.01ppm).
5.
Rinse the Ion Selective Electrode with distilled water, then rinse with a small amount of ion standard solution.
6.
Dip the electrode into corresponding calibration solution. Stir the sensor gently to create a homogenous solution.
7.
Press ENTER key to confirm, “Calibration” indicator begins flashing. Wait for the measured value to stabilize, the display shows “0.1/CAL2”. The
meter prompts you to continue with second point calibration.
MR
Enter
EC910 Portable Multiparameter Water Quality Meter
