Universal R-320 Operations Instructions download pdf (Page 31)

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4 Notes on safety

No claim of warranty will be considered by the manufacturer unless ALL instructions in this manual

have been followed.

• The centrifuge should be installed on a good, stable base.

• Before using the centrifuge absolutely check the rotor for firm placement.

• When the centrifuge is running, according to EN / IEC 61010-2-020, no persons, dangerous

substances or objects may be within the safety margin of 300 mm around the centrifuge.

• Rotors, suspensions and accessories that possess traces of corrosion or mechanical damage or

if their term of use has expired may not be used any longer.

• The centrifuge may no longer be put into operation when the centrifuging chamber has safety-

related damages.

• With swing-out rotors the trunnions must be regularly lubricated (Hettich Lubricating Grease No.

4051) in order to ensure consistent swinging out of the hangers.

• Before the initial operation of your centrifuge you should read and pay attention to the operating

instructions. Only personnel that has read and understood the operating instructions are allowed to

operate the device.

• Along with the operating instructions and the legal regulations on accident prevention, you should also follow the

recognised professional regulations for working in a safe and professional manner. These operating instructions

should be read in conjunction with any other instructions concerning accident prevention and environmental

protection based on the national regulations of the country where the device is to be used.

• This centrifuge is a state-of-the-art piece of equipment which is extremely safe to operate. However, it can lead to

danger for users or others if used by untrained staff, in an inappropriate way or for a purpose other than that it

was designed for.

• The centrifuge must not be moved or knocked during operation.

• In case of fault or emergency release, never touch the rotor before it has stopped turning.

• To avoid damage due to condensate, when changing from a cold to a warm room the centrifuge must either heat

up for at least 3 hours in the warm room before being connected to the mains, or run hot for 30 minutes in the

cold room.

• Only the rotors and accessories approved by the manufacturer for this device may be used (see chapter

"Anhang/Appendix, Rotoren und Zubehör/Rotors and accessories").

• The centrifuge rotor may only be loaded in accordance with the chapter "Loading the rotor".

• When centrifuging with maxim revolutions per minute the density of the materials or the material mixtures may not

exceed 1.2 kg/dm

• The centrifuge may only be operated when the balance is within the bounds of acceptability.

• The centrifuge may not be operated in explosion-endangered areas.

• The centrifuge must not be used with:

− inflammable or explosive materials

− materials that react with one another producing a lot of energy.

• If users have to centrifuge hazardous materials or compounds contaminated with toxic, radioactive or pathogenic

micro-organisms, they must take appropriate measures.

For hazardous substances centrifuge containers with special screw caps must strictly be used. In addition to the

screw cap centrifuge containers, for materials in hazard category 3 and 4 a biosafety system must be used (see

the World Health Organisation’s “Laboratory Biosafety Manual”).

In a biosafety system, droplets and aerosols are prevented from escaping by a bioseal (packing ring).

If the hanger of a biosafety system is used without the lid, the packing ring must be removed from the hanger in

order to prevent the packing ring from being damaged during the centrifugation run. Damaged packing rings must

not be used to seal the biosafety system.

Without the use of a biosafety system the centrifuge is not microbiologically sealed in the sense of the

EN / IEC 610101-2-020 standard.

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Universal R-320 Operations Instructions Page 31

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