Hach TU5300 sc Manual Básico Del Usuario página 25

Do not to touch or scratch the glass of the process vial. Contamination or scratches on the glass can cause
measurement errors.
Note: Make sure that no particles fall into the vial compartment.
1. Push menu.
2. Select SENSOR SETUP>DIAG/TEST>MAINTENANCE>VIAL REPLACEMENT.
3. Complete the steps that show on the controller display. The date the vial was replaced is
automatically saved after the last screen shows.
Refer to the illustrated steps that follow to replace the vial. To protect the new vial from
contamination, use the vial replacement tool to install the vial.
At illustrated step 3, put the process head on its side on a flat surface if a service bracket is not
installed near the instrument.
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