YSI YSI 556 MPS, Set-Up, Operation & Calibration

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pH
•
Allow at least one minute for temperature
equilibration before proceeding.
•
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.
•
Press Enter . This returns you to the Specified
pH Calibration Screen.
•
Rinse the probe module, transport/calibration
cup and sensors in tap or purified water and dry.
•
Repeat steps 6 through 13 above using a
second pH buffer.
•
Press Enter . This returns you to the pH
Calibration Screen, See .
•
Press Escape to return to the calibrate menu.