UL 61010-2-020 PDF

Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 2-020: Particular Requirements for Laboratory Centrifuges

UL 61010-2-020 – Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use – Part 2-020: Particular Requirements for Laboratory Centrifuges

Please note:All interim revisions for this edition available at time of your purchase will be included.

1 Scope and object
This clause of Part 1 is applicable except as follows:

1.1.1 Scope
Replacement:
This Part 2 is applicable to electrically powered LABORATORY CENTRIFUGES.
This group safety publication is primarily intended to be used as a product safety standard for the products mentioned in the scope, but shall also be used by technical committees in the preparation of its publications for products similar to those mentioned in the scope of this standard, in accordance with the principles laid down in IEC Guide 104 and lSO/lEC Guide 51.
NOTE If all or part of the equipment falls within the scope of one or more other Part 2 standards of IEC 61010 as well as within the scope of this standard, it will also need to meet the requirements of those other Part 2 standards.

1.1.2 Equipment excluded from scope
Addition:
Add the following new item:

aa)IEC 60034 (Rotating electrical machinery);

1.2 Object
1.2.1 Aspects included in scope
Addition:
Add the following new items:

aa)contact with moving parts (see 7.3);
bb)LABORATORY CENTRIFUGE movement during any DISRUPTION (see 7.3.101);
cc)high energy chemical reaction after ROTOR DISRUPTION (see 7.7.2.2l));
dd)ineffectiveness of BIOSEALS (see 13.101)

1.2.2 Aspects excluded in scope
Addition:
Add the following new items:

aa)additional precautions which may need to be observed when centrifuging materials which are flammable or explosive (see 5.4.101);
bb)additional precautions which may need to be observed when centrifuging materials that could react chemically with sufficient vigour to cause a HAZARD (see 5.4.101).

1.4 Environmental conditions
1.4.1 Normal environmental conditions
Replacement:
Replace item c) by the following:

c)temperature 2 °C to 40 °C;

1.4.2 Extended environmental conditions
Replacement:
Replace item c) by the following:

c)ambient temperatures 2 °C or above 40 °C;