I.S. EN 60654-4:1999
Current
The latest, up-to-date edition.
OPERATING CONDITIONS FOR INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL EQUIPMENT - PART 4: CORROSIVE AND EROSIVE INFLUENCES
Hardcopy , PDF
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
PREFACE
1 Scope
2 Object
3 General
4 Non-solid substances
4.1 Definitions
5 Gases and vapours
5.1 Contamination effects
5.2 Inorganic chlorine compounds
5.3 Explanation of contaminant severity levels
6 Aerosols
7 Liquids
8 Solid substances
8.1 Kind of industrial-process and location within that process
8.2 Nature of solid substances in the environment which could
affect the instruments
8.3 In combination with
8.4 Frequency of occurrence
8.5 Size
8.6 Concentration in mg/kg or g/kg of dry air
8.7 Velocity in m/s
8.8 Thermal conductivity
8.9 Electrical conductivity
8.10 Magnetic permeability
8.11 Example given to demonstrate the use of the questionnaire
9 Flora and fauna
APPENDIX A - Industrial contaminants
APPENDIX B - Methods of classification of reactive environments
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