UL 3101-2-20-1997
UL Standard for Safety Electrical Equipment for Laboratory Use; Part 2: Laboratory Centrifuges First Edition
- Standard No.
- UL 3101-2-20-1997
- Release Date
- 1997
- Published By
- Underwriters Laboratories (UL)
- Latest
- UL 3101-2-20-1997
- Scope
- This clause of Part 1 is applicable except as foIlows 1 1 Scope Replacement： This Part 2 is applicable to electrically powered LABORATORY CENTRIFUGES 1 1 1 AsDects excluded from the scope —additional precautions which may need tO be obsewed when centrifuging materials which are flammable or explosive(see 5 4 1 01)： 一additional precautions which may need to be obsewed when centrifuging materials that chemically react vigorously(see 5．4 101) 1 1 2 Equipmenf excluded from scope —rotating electrical machinery within the scope of IEC 34 一CENTRIFUGES(used in explosive atmospheres) 1 2 Object Addition： 一contact with moving parts fsee 7．2)． 一CENTRIFUGE movement during any DISRUPTION(see 7 3 1 01)． 一expelled parts(see 7 5)： 一sinail particles from ROTOR ASSEMBLIES，expelled in air exhaust systems(see 7 5 104) 一high energy chemicaI reaction after ROTOR DISRUPTION(see 7 5 1 05)． 一lneffectiveness of BIOSEALS(see 1 3 1 01) 1 4 Environmenta，conditions Modifythethira dash asfollows： 一temperature+2。C to+40。C CopyrighL by the UndenEiLers LaboraLories]nc Sun Sep 05 15：36：10 2004
UL 3101-2-20-1997 history
- 1997 UL 3101-2-20-1997 UL Standard for Safety Electrical Equipment for Laboratory Use; Part 2: Laboratory Centrifuges First Edition
