04/05/2012 Retsch GmbH 7
Noise emissions
Noise measurements according to DIN 45635-31-01-KL3
Characteristic noise values are dependent on the fracturing properties of
the product beeing ground.
Examples:
Workplace-related emission value L
pAeq
= 84 dB(A)
Operating conditions:
Sample material: marble, grain size 40 - 80 mm
Adjusted gap width: < 1 mm
Final grain size: < 5 mm
Filling ratio of grinding chamber: approx. 65 %
or
Sound power level L
WA
= 101 db(A)
Workplace-related emission value L
pAeq
= 92 dB(A)
Operating conditions:
Sample material: marble, grain size 40 - 80 mm
Adjusted gap width: < 1 mm
Final grain size: < 5 mm
Filling ratio of grinding chamber: approx. 65 %
Damage to hearing
The level of noise can be high depending on the type of
material the duration of the grinding process.
- Noise that is excessive in terms of level and duration
can cause impaired or permanently damaged hearing.
• Ensure suitable sound-proofing measures or
wear hearing protection.
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