Maximum relative humidity 80% to 31°C,
decreasing linearly up to 50% relative humidity at
40°C
Risk of injury caused by not hearing acoustic signals
Loud grinding noise
− Loud grinding noise may result in not hearing acoustic warning signals,
leading to injuries.
• Take the volume of grinding noise into consideration when
designing the acoustic signals in the working environment.
• Where necessary, use additional visual signals.
Risk of hearing loss
High sound level
− The sound level may be high depending on the type of material, the
number of balls used, the set grinding frequency and the grinding time.
Excess noise in terms of intensity and duration can lead to impairments or
permanent damage to hearing.
• Ensure you take suitable soundproofing measures.
• Wear hearing protection if there is loud or lasting noise.
Noise levels:
The noise levels are influenced by the material to be ground, the feed particle size and the set
frequency.
2 steel grinding jars (25ml)
Broken glass (approx. 4.0mm -
6.0mm)
Under these operating conditions, the workplace-related equivalent continuous noise level is
L
eq
= 63.3 dB(A).
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