Retsch TWISTER - Manual (Page 12)

Technical data
12
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4 Technical data
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4.1 Use of the machine for the intended purpose
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CAUTION
1.V0004
Risk of explosion or fire
Changing sample properties
–
Consider that the properties and therefore also the hazardousness of your
sample can change during the grinding process.
• Do not use any substances in this device which carry the risk of
explosion or fire.
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CAUTION
Risk of explosion or fire
–
On account of its design, the device is not suitable for use in hazardous
(potentially explosive) atmospheres.
• Do not operate the device in a hazardous atmosphere.
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CAUTION
Danger of personal injury
Dangerous nature of the sample
–
Depending on the dangerous nature of your sample, take the
necessary measures to rule out any danger to persons.
• Observe the safety guidelines and datasheets of your
sample material.
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Target group: operators
Machine type designation: Cyclone Mill - Twister
This machine is intended for the grinding of animal feed, green feed, cereals and
similar dry materials.
The feed size is 10mm.
The device is designed as a laboratory device for 8-hour one-shift operation with a
30% ON duration.
It is not intended for use as production machine.
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4.2 Working instructions
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This device has been developed to prepare samples of animal feed for final NIR
analysis. The optimised form of the rotor and of the grinding chamber generates an
air current which transports the ground material through the integrated cyclone
into the sample vessel. The air current simultaneously prevents the warming of the
sample so that moisture losses are avoided. The sieves supplied guarantee
optimum particle size distribution. The rotor speed can be adjusted in 3 stages and
can therefore be adjusted to the requirements of the sample. The cleaning