YSI 556 MPS - Manual (Page 45)

Calibrate Section 6
YSI Incorporated YSI 556 MPS Page 39
10. Use the keypad to enter the calibration value of the
standard you are using.
NOTE: Be sure to enter the value in mS/cm at 25
°C.
11. Press Enter. The Conductivity Calibration Screen is
displayed.
Figure 6.5 Conductivity Calibration Screen
12. Allow at least one minute for temperature equilibration before
proceeding. The current values of all enabled sensors will
appear on the screen and will change with time as they
stabilize.
13. Observe the reading under Specific Conductance. When the
reading shows no significant change for approximately 30
seconds, press Enter. The screen will indicate that the
calibration has been accepted and prompt you to press Enter
again to Continue.