UL 61010A-2-020
1 Scope and object
This clause of Part 1 is applicable except as follows:
1.1 Scope
Replacement:This Part 2 is applicable to electrically powered laboratory centrifuges .
1.1.1 Aspects excluded from the scope
Addition:
– additional precautions which may need to be observed when centrifuging materials which are flammable or explosive (see 5.4.4.101);
– additional precautions which may need to be observed when centrifuging materials that chemically react vigorously (see 5.4.4.101).
1.1.1 Modification of 1.1.1 of the part 2 to add the following after the last dash:
– additional precautions related to safety hazards arising from leaking bioseals and other biosafety components.
1.1.2 Equipment excluded from scope
Addition:
– rotating electrical machinery within the scope of IEC 34;
– centrifuges (used in explosive atmospheres).
1.1.2 Modification of 1.1.2 of the part 2 to add the following after the last dash:
– centrifuges (used with materials that are toxic, radioactive, or contaminated with pathogenic micro-organisms).
– bioseals and other biosafety components.
1.2 Object
Addition:
– contact with moving parts (see 7.2);
– centrifuge movement during any disruption (see 7.3.101);
– expelled parts (see 7.5);
– small particles from rotor assemblies , expelled in air exhaust systems (see 7.5.104);
– high energy chemical reaction after rotor disruption (see 7.5.105);
– ineffectiveness of bioseals (see 13.101).
1.2 Modification of 1.2 of the part 2:
Delete the sixth dash.
1.4 Environmental conditions
Modification:Modify the third dash as follows:
– temperature +2 C to +4 C;
