The burette set is a volumetric I.V. solution administration set.
It incorporates a metered cylinder which allows an accurate administration of a certain volume of solution, thus making 

it a must, for example, for paediatric administration of solutions.

Instructions for use:
Sterile infusion giving set with graduated chamber enabling a slow intravenous administration of a precise volume of infusion 

or injectable drug over a given time. It is to be connected between the infusion and the intravenous catheter.

An infusion giving set should not be left in situ for more than 72 hours.