Nombre | apoyo | Revisión | Disponibilidad | Fecha de emisión | Precio | ||
---|---|---|---|---|---|---|---|
PDF sécurisé |
Inglés |
Vigente |
1/3/2005 |
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 |