NS EN 13274-7 : 2ED 2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RESPIRATORY PROTECTIVE DEVICES - METHODS OF TEST - PART 7: DETERMINATION OF PARTICLE FILTER PENETRATION
09-01-2019
01-12-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Pre-requisites
5 General test requirements
6 Sodium chloride test method
6.1 Principle
6.2 Test equipment
6.3 Test conditions
6.4 Procedure
6.5 Calculation of the penetration
7 Paraffin oil test method
7.1 Principle
7.2 Test equipment
7.3 Test conditions at filter
7.4 Procedure
7.5 Calculation of the penetration
Annex A (normative) Test results - Uncertainty of measurements
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other
provisions of EU Directives
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.