Retsch AS200 tap, Manual

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Technical Data
12
3 Technical Data
3.1 Degree of Protection

IP50
3.2 Emissions
CAUTION
C4.0011
Possibility of acoustic signals not being heard
Loud sieving noises

Possible acoustic alarms and voice communication might not be heard.
•
Consider the volume of the sieving noise in relation to other acoustic
signals in the work environment. Additional visual signals may be
used.
CAUTION
C5.0025
Hearing damage
A high sound level may be generated depending on the type of material, the
number of sieves, the sieving aid used and the duration of the sieving

Excessive noise in terms of level and duration can cause impairments or
permanent damage to hearing.
•
Ensure suitable noise protection measures are taken or wear ear
protection.
Sound parameters:
The sound parameters are also influenced by the number of test sieves and the properties of
the sample material.
Example 1:
Number of test sieves: 5
Feed material: Quartz sand (< 1 mm)
Soundproof hood: no
At these operating conditions, the workplace related equivalent continuous sound level
L
eq
= 83 dB(A).
Example 2:
Number of test sieves: 5
Feed material: Quartz sand (< 1 mm)
Soundproof hood*: yes
*of Retsch GmbH
At these operating conditions, the workplace related equivalent continuous sound level
L
eq
= 65 dB(A).