Retsch SR 300 - Technical Data; Protective Equipment; Degree of Protection; Emissions

Technical Data
11
3 Technical Data
3.1 Protective Equipment
 This device is equipped with a door lock. The locking mechanism prevents the device from
being started when in an unsafe state.
 The device can only be started when the door is closed.
 It is only possible to open the door when the device has come to a halt.
3.2 Degree of Protection
 IP41
3.3 Emissions
CAUTION
C4.0020
Possibility of acoustic signals not being heard
Loud grinding noises
 Possible 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. Additional visual signals
may be used.
CAUTION
C5.0044
Hearing damage
A high sound level may be generated depending on the type of material, the
grinding set used, the grinding frequency set and the duration of the grinding
 Excessive noise in terms of level and duration can cause impairments or
permanent damage to hearing.
 Ensure that suitable noise protection measures are taken, or wear
ear protection.
Sound parameters:
The sound parameters are influenced by the properties of the sample material and the rotation
speed.
Example 1:
Feed material:
Limestone (< 5 mm)
Bottom sieve:
0.5 mm
Speed:
3 000 rpm
At these operating conditions, the workplace related equivalent continuous sound level
L
eq
= 76.3 dB(A).