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15
• Press the
START STOP
button to start the
titration. The display will show “----” during
titration, along with stirrer and pump tags
blinking on the LCD, and 7.00 or 8.20 pH
buffer on the secondary display.
• At the end of the titration, the Total Titratable
Acidity concentration is displayed in g/L.
Note: If the end-point is not reached or it is not
recognized because of the noisy solution,
an error message will be displayed.
PUMP TUBE REPLACEMENT
To remove the tube of the peristaltic pump follow next steps:
• Detach the old tube system from the reagent bottle.
• Grasp one fixing ring of the peristaltic pump tube.
• Pull the tube until it’s taken out from its location.
• Remove the other side of the tube.
To mount the new peristaltic pump tube follow next steps:
• Position one peristaltic pump fixing ring on its location.
• Stretch the tube over the peristaltic pump cylinders.
• Fix the second pump fixing ring on its location.
• Attach the tube to the reagent bottle.
Note: Purge the peristaltic pump until drops of reagent appears on the dosing tip by
pressing the
PUMP
button.
