YSI 556 MPS - Manual (Page 46)

Section 6 Calibrate
YSI 556 MPS YSI Incorporated Page 40
Figure 6.6 Calibrated
14. Press Enter. This returns you to the Conductivity Calibrate
Selection Screen, See Figure 6.3 Conductivity Calibration
Selection Screen..
15. Press Escape to return to the calibrate menu. See Figure 6.2
Calibrate Screen .
16. Rinse the probe module and sensors in tap or purified water
and dry.
6.2.3 Dissolved Oxygen Calibration
This procedure calibrates dissolved oxygen. Calibrating any one option (%
or mg/L) automatically calibrates the other.
1. Go to the calibrate screen as described in Section 6.2.1
Accessing the Calibrate Screen.
NOTE: The instrument must be on for at least 10 - 15
minutes to polarize the DO sensor before calibrating.
2. Use the arrow keys to highlight the Dissolved Oxygen
selection. See Figure 6.2 Calibrate Screen.
3. Press Enter. The dissolved oxygen calibration screen is
displayed.