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Bante821 Portable Dissolved Oxygen Meter
2 points calibration
2.1
Ensure that you have selected 2 point calibration in the setup menu.
2.2
Press the
key, the meter shows 100.0%/CAL 1, press the or key until the display shows 0/CAL1.
Cal
2.3
Immerse the dissolved oxygen probe into the zero oxygen solution for at least 10 minutes. Press the
Calibration icon continuously flashing.
2.4
Wait for the reading to stabilize, the display will show "100%/CAL2", the meter prompts you to continue with second point calibration.
2.5
Immerse the dissolved oxygen probe into the air-saturated water for 15 minutes, press the
meter automatically shows END. Calibration is completed.
Performing a percentage saturation calibration will simultaneously calibrate the corresponding mg/L (or ppm) concentration value. Therefore,
additional mg/L calibration is not required in most circumstances.
DO Calibration in mg/L or ppm Mode
Single point calibration - air-saturated water
1.1
Ensure that the meter shows measurement unit "
meter shows 8.25mg/L/CAL 1 (@25° C).
1.2
Immerse the dissolved oxygen probe into the air-saturated water for 15 minutes. Press the
Calibration icon continuously flashing.
1.3
Wait for the reading to stabilize, the meter automatically shows END. Calibration is completed.
and you have selected 1 point calibration in the setup menu. Press the
mg/L or ppm"
key, the meter begins the calibration, the
Enter
key to confirm. Wait for the reading to stabilize, the
Enter
key, the meter begins the calibration, the
Enter
10
key, the
Cal
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