LABBOX EASY 70 Manual Del Usuario página 17

10.2. Cleaning the barrel
For the cleaning of the burette it is recommendable to use clean water. Fill up and dispense water at
least 5 times, ensuring that the digital burette does not contain residues that may influence the next
titration.
To perform a deep cleaning, proceed as follows:
Replace the bottle with one with de-ionized water
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Turn return valve to direction 1, hold the pre-filling button and the piston will stop at the barrel
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bottom.
Press filling and dispensing button to absorb and eject clean water at least 5 times.
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Hold the pre-filling button again so the piston stops at the barrel bottom.
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To empty completely the burette, turn the return valve to direction ② , press 'Dispensing
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button' so the piston runs to the end of the path.
Finally, press the dispensing button; the remaining liquid will be emptied into the bottle and
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the digital burette will be totally washed. Place the return valve on the position 1 and the
washing will be finished.
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Caution:
It is not recommended to remove and clean the digital burette barrel.
If the barrel cleaning operation fails to meet the cleaning
requirements of the user, please, contact the dealer.
Be sure to deliver the digital Burette without residual liquid and report
the details of the last liquid used.
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