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100% Water-saturated Air Calibration
1. From the main menu, select
Calibration & Settings
.
2. From the Calibrations menu select
RDO Saturation
.
3. For a 1-point calibration, select
100% Saturation
.
4. Make sure the vented cap is installed on the calibration cup and a water-saturated sponge is placed in the bottom
of the cup.
5. After the calibration is stable, select
Accept
.
6. The calibration values are applied to the sensor and appear on screen. You can view a full calibration report for all
sensors, or select
Done
to return to the Calibration Menu.
7. Remove the sponge from the calibration cup.
Calibrate the Rugged Dissolved Oxygen Sensor (2-Point)
We recommend that you perform the 0 % oxygen calibration only if you intend to measure dissolved oxygen at a
concentration of less than 4 mg/L.
100% Water-saturated Air Calibration
1. From the main menu, select
Calibration & Settings
.
2. From the Calibrations menu select
RDO Saturation
.
3. For a 2-point calibration, select
100% and 0% Saturation
.
4. Make sure the vented cap is installed on the calibration cup and a water-saturated sponge is placed in the bottom
of the cup.
5. After the calibration is stable, a prompt to prepare for the next calibration point appears.
0-point Calibration
1. Remove the sponge from the calibration cup.
2. Fill the calibration cup to the fill line with sodium sulfite. Place the instrument in the calibration cup.