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Pump calibration procedure – Hanna Instruments HI 84529 User Manual

Page 34

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34

Operational Guide

If an erroneous situation is encountered

during the calibration, an error message is

displayed and the calibration can be restarted

by pressing RESTART. Prepare a new

standard, rinse the electrode, temperature

probe and dosing tip and try again.

If the calibration doesn’t complete and the

max titrant volume of titrant is reached,

an error message will be displayed. The

calibration can be restarted by pressing

RESTART. Prepare a new standard, rinse

electrode, temperature probe and dosing

tip and try again.

This error message appears when the

pH reading exceeds the acceptable input

limits (pH> -2.00 or pH > 16.00).

This screen appears when the stirrer is

not working properly. Check the stir bar

and beaker content. Press RESTART to

try again.

This error message appears when the

pump is not working properly. Check the

tubing, valve and syringe. Press RESTART

to try again.

Pump

Calibration

Procedure