BS ISO 14695:2003
Current
The latest, up-to-date edition.
Industrial fans. Method of measurement of fan vibration
Hardcopy , PDF
English
31-10-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Mounting of test rig
5.1 General
5.2 Resilient base mounting of fan
5.3 Mounting of fans with resilient elastic rope
5.4 Stiff mounting of fans
5.5 Flexible connections
6 Measuring equipment
6.1 General
6.2 Calibration
6.3 Instrument system
6.4 Transducers
6.5 Piezoelectric accelerometers
6.6 Preamplifiers
6.7 Analysers
6.8 Indicators
6.9 Outputs
7 Transducer attachment
7.1 General
7.2 Attachments
8 Selection of measuring positions
8.1 General
8.2 Mounting on combination base frame
8.3 Mounting of transducers for other fans
9 Test environment and operating data
10 Procedure
10.1 General
10.2 Measurement parameters
10.3 Frequency analysis
11 Presentation of results
Annex A (informative) - Guide to calculating resilient mount
positions and rigid body natural
frequencies
Annex B (informative) - Secondary measurement methods for in
situ testing or quality grading
Annex C (informative) - Recommended measuring positions for
machinery health measurements
Annex D (informative) - Relationship between absolute and
decibel levels
Annex E (informative) - Relationship between vibration
magnitude of single frequency signal
Bibliography
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