Labconco Purifie Horizontal Clean Benches 3970424 - Manual (Page 6)

Chapter 1: Introduction
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2
ISO Class 5 Definition
Airborne particulate cleanliness inside any clean bench or enclosure is designated
by ISO Class 5, which is equivalent to 3520 particles 0.5 µm or larger per cubic
meter of air per ISO Standard 14644-1. ISO Class 5 cleanliness is illustrated in the
table to follow and is equivalent to Class 100 air conditions as defined by Federal
Standard 209E. Class 100 is equal to 100 particles 0.5 µm or larger per cubic foot
of air.
Table 1-1 Selected airborne particulate cleanliness classes for cleanrooms and clean zones.
ISO
classification
number (N)
Maximum concentration limits (particles/m3 of air) for particles equal to and
larger than the considered sizes shown below (concentration limits are
calculated in accordance with 3.2 of Standard 14644-1)
0.1 µm 0.2 µm 0.3 µm 0.5 µm 1 µm 5 µm
ISO Class 1 10 2
ISO Class 2 100 24 10 4
ISO Class 3 1 000 237 102 35 8
ISO Class 4 10 000 2 370 1 020 352 83
ISO Class 5 100 000 23 700 10 200 3 520 832 29
ISO Class 6 1 000 000 237 000 102 000 35 200 8 320 293
ISO Class 7 352 000 83 200 2 930
ISO Class 8 3 520 000 832 000 29 300
ISO Class 9 35 200 000 8 320 000 293 000
Table 1-1 ISO Classification Number (N)
About This Manual
This manual is designed to help you learn how to install, use, and maintain your
Clean Bench.
If the unit is not operated as specified in this manual it may
impair the protection provided by the unit.
Si l'unité n'est pas utilisée comme spécifié dans ce manuel il
peut diminuer la protection fournie par l'unité.
Chapter 1: Introduction provides a brief overview of the Clean Bench, explains the
organization of the manual, and defines the typographical conventions used in the
manual.
Chapter 2: Prerequisites explains what you need to do to prepare your site before
you install the Clean Bench. Electrical and service requirements are discussed.
Chapter 3: Getting Started contains the information you need to properly unpack,
inspect, install, and certify the Clean Bench.
!