BS 7965:2000

Committees responsible
Foreword
1 Scope
2 Normative references
3 Symbols and abbreviations
4 Selection
5 Installation recommendations
6 Operational consideration
7 Ultrasonic flowmeter certification
Annex A (informative) Uncertainty calculation for
                      ultrasonic flow meters
Annex B (informative) Performance specification
Annex C (informative) Derivation and correction of flow
                      measurement errors
Bibliography
Figure 1 - General ray geometry for transit time velocity
           measurement
Figure 2 - Intrusive a) and non-intrusive b) transducer
           designs
Figure 3 - Variations in path configuration
Figure 4 - Some typical cross-sectional acoustic path
           configurations
Figure 5 - Performance specification summary
Figure B.1 - Performance specification for class 1 meters
Figure B.2 - Performance specification for class 2 meters
Figure B.3 - Performance specification for class 3 meters
Figure B.4 - Performance specification for class 4 meters
Figure C.1 - Un-corrected and WME-corrected flow calibration
             data plot for 200 mm diameter USM
Table 1 - USM Classification
Table 2 - Installation criteria
Table 3 - Internal diameter tolerances
Table 4 - Uncertainty tolerances for beam path lengths
Table 5 - Nominal test flow rates
Table C.1 - Flow calibration data table for 200 mm diameter
            USM
Table C.2 - Flow weighted mean error calculation summary for
            200 mm diameter USM
Table C.3 - "WME-corrected" flow calibration data summary
            for a 200 mm diameter USM