Bante Instruments 9 Series User Manual

37 I Dissolved Oxygen
DO Calibration in mg/L or ppm Mode
1.1 Press the Mode key to enter the dissolved oxygen concentration
mode and select the 1 point calibration in the setup menu.
1.2 Press the Cal key, the display shows 8.25 mg/L / CAL1 (@25° C).
1.3 Place the dissolved oxygen electrode into the air-saturated water
for 10 minutes and stir gently. Press the Enter key, the meter
begins the calibration, the Calibration icon continuously flashing.
1.4 When the reading has stabilized, the meter will show and
return to the measurement mode.
2 Points Calibration
2.1 Ensure that you have selected 2 points calibration in the setup
menu.
2.2 Press the Cal key and  key, the meter shows 0.00 mg/L / CAL1.
2.3 Place the dissolved oxygen electrode into the zero oxygen solution
for about 10 minutes and stir gently. Press the Enter key to begin
the calibration.
2.4 When the reading has stabilized, the display will show 8.25 mg/L
/ CAL 2 (@25° C). The meter prompts you to continue with second
point calibration.
2.5 Repeat the step 1.3 above until the meter shows .
Calibration is completed.
DO Calibration in % Saturation Mode
3.1 Press the Mode key to enter the % saturation mode and select
the 1 point calibration in the setup menu.
3.2 Press the Cal key, the display shows 100.0% / CAL1.
3.3 Hold the dissolved oxygen electrode in the air at 100% relative
humidity or place the electrode into the air-saturated water for
10 minutes. Press the Enter key, the meter begins the calibration.
3.4 When the reading has stabilized, the meter will show and
return to the measurement mode.
2 Points Calibration
4.1 Ensure that you have selected 2 points calibration in the setup
menu.
4.2 Press the Cal key and the  key, the meter shows 0% / CAL1.
4.3 Place the electrode into the zero oxygen solution for 10 minutes
and stir gently. Press the Enter key to begin the calibration.
4.4 When the reading has stabilized, the display will show 100% /
CAL2. The meter prompts you to continue with second point
calibration.
4.5 Place the electrode into the air-saturated water for 10 minutes
and stir gently. Press the Enter key to begin the calibration.
4.6 When the reading has stabilized, the meter will show and
return to the measurement mode.
To exit the calibration without saving changes, press the Meas key.

Bante Instruments 9 Series Specifications

General

Brand	Bante Instruments
Model	9 Series
Category	Measuring Instruments
Language	English