Retsch AS 450 control Manuel d'utilisateur télécharger pdf (Page 33)

Wet sieving

9.H0050

Load diagrams

– Binding information on wet sieving is not possible because it is not

possible to define the volume of water in the sieve column.

• The load diagrams in these operating instructions do not apply to wet

sieving.

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Dry sieve analyses are possible in most applications. However, there are materials

for which the adhesive force between the individual particles causes difficulties.

These problems can be eliminated by adding liquids, preferably water, during the

sieving operation (if the additives specified in the chapter on sieving aids have not

helped). However, wet sieving is only possible if the materials to be sieved do not

swell, dissolve or change in any other way in the sieving liquid.

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8.1 Required accessories

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• Clamping cover with spraying nozzle for the corresponding sieve diameter.

• Collecting bottom container with water outlet point for the corresponding

sieve diameters.

8.1.1 Preparing the Wet Sieving

WARNING

Risk of electrocution

– An electric shock can cause injuries in the form of burns and cardiac

arrhythmia, respiratory arrest and cardiac arrest.

• Never operate your AS450 in a water outlet basin.

• Always operate your AS450 connected to a mains socket protected

by an RCD circuit-breaker.

CAUTION