Danger! Risk of burns and injury due to explosion
Mixing of different sample materials
− Successive sample preparations of different materials may cause
undesirable chemical reactions that can lead to fires or explosions
causing injury.
• Do not grind any sample materials in this device where the chemical
reactivity may be increased by contact with a previously crushed
substance.
• If in doubt, clean the device and all components used before
grinding any other sample material.
• Observe the safety data sheets of the sample materials.
Damage to mechanical components
Rotor blockage
− When feeding coarse, solid sample material, blockages can occur due to
the high intake capacity of the rotor.
• In case of blockage, switch off the appliance immediately and
remove the blocking sample material.
• Reduce the feed of sample material to the feed hopper.
• Fill coarser and more solid sample material slowly and gradually into
the feed hopper.
• Carry out a pre-crushing of the sample material.
The sample material can be fed in manually by hand or automatically by using the DR 100 feed
unit.
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