Sennheiser MM 400-X Operations Instructions download pdf (Page 22)

2/8/2012 22 Retsch GmbH

Safety instructions for handling liquid nitrogen

The MM 400 is also designed for cryogenic milling.

As an accessory for cold milling we also supply a cryo kit for

cooling the milling cups with liquid nitrogen.

Cryo kit order number: 22.354.0001.

When handling liquid nitrogen always wear protective

goggles and protective gloves.

Liquid nitrogen has a temperature of – 196°C and can cause

injury similar to burns or frostbite in contact with the skin

or eyes.

Protective goggles also protect the eyes against serious

injuries through flying glass splinters, which may be caused

through bursting of glass containers as a result of low

temperature tension.

Please follow the safety regulations of the cooling

liquid supplier.

Retsch GmbH excludes any liability claims whatsoever

which may arise through the use of liquid nitrogen or

similar materials.

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Sennheiser MM 400-X Operations Instructions Page 22