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3 technical data, Technical data, 1 protective equipment – Retsch Cryomill User Manual

Page 11: 2 emissions

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Technical data

11

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3 Technical data

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3.1 Protective equipment

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The grinding chamber of the CryoMill laboratory mill is surrounded by a stable
hood.

It is only possible to start the device when the hood is closed.

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3.2 Emissions

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Noise values:

The noise values are also influenced by the properties of the sample material.

No-load operation:

Emission value with regard
to workplace L

pAeq

= 61,4 dB(A)

Example 1:

Emission value with regard
to workplace L

pAeq

= 75,2 dB(A)

Operating conditions:

Receptacle: 1 50ml steel grinding jar

Grinding component: 1 25mm steel ball each

Feed material: Quartz gravel particles approx. 4.0

– 6.0mm

Feed quantity: 8ml

Frequency: 30 Hz

Example 2:

Emission value with regard
to workplace L

pAeq

= 66,3 dB(A)

Operating conditions:

Receptacle:

4 5ml steel grinding jar

Grinding component:

2 8mm tungsten carbide balls each

Feed material:

Quartz gravel particles approx. 1.0

– 1.5mm

Feed quantity:

1.5ml

Frequency:

30 Hz