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NBN EN 61514 : 2002
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The latest, up-to-date edition.
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INDUSTRIAL-PROCESS CONTROL SYSTEMS - METHODS OF EVALUATING THE PERFORMANCE OF VALVE POSITIONERS WITH PNEUMATIC OUTPUTS
12-01-2013
FOREWORD
1 Scope and object
2 Normative references
3 Definitions
4 General conditions for tests
4.1 Environmental test conditions
4.2 Supply conditions
5 General testing procedures
5.1 Test equipment
5.2 Test methods
5.3 Testing precaution
5.4 Basic test arrangement
5.5 Initial setting-up
6 Test procedures
6.1 Gain characteristic
6.2 Travel characteristic
6.3 Accuracy related terms
6.4 Dead band
6.5 Airflow data
6.6 Effects of influence quantities
6.7 Input over-range
6.8 Drift
6.9 Accelerated life test
6.10 Dynamic response
7 Other considerations
7.1 General
7.2 Safety
7.3 Degree of protection provided by enclosures
7.4 Documentary information
7.5 Installation
7.6 Routine maintenance and adjustment
7.7 Repair
7.8 Protective finishes
7.9 Design features
7.10 Variants
7.11 Tools and equipment
8 Test report and documentation
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
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