NSF 49-04a Addendum 2.0:2005

NSF 49-04a Addendum 2.0:2005

NSF 49 Class II (Laminar Flow) Biosafety Cabinetry

48,00 €

Detalles

This edition of the Standard, Addendum 2.0 to NSF/ANSI 49-04a, expands the definition of high efficiency
filters (3.13) to include specifications for both high efficiency particulate air (HEPA) filters and ultra-lowpenetrating air (ULPA) filters and revisions to rounding errors that affect the pass/fail criteria throughout the document. It also clarifies significant digits in metric and English system conversions.
Revisions from Addendum 1.0 have been added to this document for the convenience of our customers.

Información adicional

Autor NSF International
Publicado por NSFINTERNATIONAL
Tipo de Documento Enmienda estándar
Tema /subgroups/209
Número de páginas 16
Palabra clave NSF 49-04a Addendum 2.0
ANSI Approved