Retsch TWISTER - Manual (Page 14)

Technical data
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4.8 Emissions
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CAUTION
Possibility of acoustic signals not being heard
Loud grinding noises
- Acoustic alarms and voice communication might not be heard.
• Consider the volume of the grinding noise in relation to other
acoustic signals in the work environment. You may wish to use
additional visual signals.
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Noise values: (without sample material)
Noise measurement in accordance with DIN 45635-031-01-KL3
Workplace-related emission value LpAeq
~ 67.5 dB(A) LOW: 10000 revolutions per minute
~ 70.0 dB(A) MID: 12000 revolutions per minute
~ 73.0 dB(A) HIGH: 14000 revolutions per minute
The noise values are also influenced by the properties of the sample medium.
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4.9 Degree of protection
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– Grinding chamber and keypad - IP 42
– In the area of the ventilation slit - IP 20
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4.10 Dimensions and weight
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Closed:
Height: 427 mm
Width: 449 mm
Depth : 283 mm
with hood open:
Height: 560 mm
Width: 449 mm
Depth : 396 mm
Weight: approx. 14 kg
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4.11 Required floor space
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Width: 449 mm
Depth: 396 mm
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