JULABO MB-5M Heating Circulators with Open Bath - Manual (Page 21)

MB
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5.4. Filling / Draining
Notice:
Do not drain the bath fluid while it is hot!
Check the temperature of the bath fluid prior to draining (by switching the unit
on for a short moment, for example).
Store and dispose the used bath fluid according to the laws for environmental
protection.
Filling
 Take care that no liquid enters the interior of the circulator.
 Recommended maximum filling level with water as bath liquid:
20 mm below the tank rim

After filling, immerse the samples in the bath or place the lid on
the bath, in case the opening is not to be used.

The circulator provides an early warning system for low level
that may be triggered when changing samples in the bath.
Draining
 Press the mains switch to turn the circulator off.
 Remove the circulator from the bath tank.
 Empty the bath tank.