BANTE 900P - DO % Saturation Calibration; DO Zero Oxygen Calibration

Bante900P Portable Multiparameter Water Quality Meter
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2 POINTS CALIBRATION:
2.1 Make sure that you have selected 2 points calibration in the setup menu.
2.2 Press CAL key, the meter shows “100/CAL1”.
2.3 Press  or  key until the display shows “0/CAL1”.
2.4 Dip the dissolved oxygen probe into the saturated anhydrous sodium sulfite solution (zero oxygen solution). Stir the probe gently.
2.5 Press ENTER key to confirm, “Calibration” indicator begins flashing.
2.6 Wait for the measured value to stabilize, the display shows “100/CAL2”. The meter prompts you to continue with second point calibration.
MI

Enter