BS ISO 13347-1 : 2004
Current
The latest, up-to-date edition.
INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 1: GENERAL OVERVIEW
Hardcopy , PDF
English
01-01-2004
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
4 Limitations on use
5 Measurement uncertainty
6 Instrumentation
7 Test methods
8 Fan installation conditions
9 Fan operating conditions
10 Information to be recorded
11 Calculations and evaluations
12 Test report
Annex A (normative) - Effect of rotational speed changes
Annex B (informative) - Change of gas or air conditions
Annex C (normative) - Corrections for end reflection
Annex D (informative) - Simplified anechoic termination
Annex E (normative) - Uncertainty analysis
Annex F (normative) - Calibration of reference sound source
Annex G (informative) - Filter weighted measurements
Bibliography
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