• The rotating flask (6) should be submerged in water to a depth of 1/3 to 1/2 its
size.
Evaporation rate
The rate of evaporation depends on three factors:
1. The rate of evaporation the higher the degree of vacuum.
2. The higher the water bath temperature, the higher the evaporation rate. The
water bath temperature should be selected according to the requirements of the
substance.
3. The lower the cooling water temperature, the higher the evaporation rate.
3.4.
Cleaning and maintenance
a)
Pull the mains plug and let the unit cool down completely before cleaning,
adjusting or replacing accessories and when the unit is not in use.
Wait until the rotating parts stop.
•
b)
Use only non-corrosive cleaning agents for cleaning the surfaces.
c)
After each cleaning, all the parts should be dried well before the unit is used
again.
d)
Store the unit in a dry and cool place protected from moisture and direct
sunlight.
e)
Do not spray the unit with a stream of water or immerse it in water.
f)
Make sure that no water enters through the ventilation openings in the casing.
g)
Clean the ventilation openings with a brush and compressed air.
h)
Perform regular inspections of the unit checking technical fitness and any
damages.
i)
Use a soft cloth for cleaning.
j)
When selecting cleaning agents, take the type of substance that was previously
used in the unit into account.
DISPOSAL OF USED UNITS.
At the end of its useful life, this product should not be disposed of with normal
household waste but should be taken to a collection point for the recycling of
electrical and electronic equipment. This is indicated by the symbol on the
product, operating instructions or packaging. The materials used in this unit are
recyclable according to their marking. You will be making an important
contribution to protecting our environment by reusing, recycling or otherwise
disposing of used units.
Your local administration will provide you with information about the
appropriate disposal point for used units.