BS ISO 7278-3:1998
Current
The latest, up-to-date edition.
Liquid hydrocarbons. Dynamic measurement. Proving systems for volumetric meters Pulse interpolation techniques
Hardcopy , PDF
English
15-08-1998
1 Scope
2 Normative reference
3 Definitions
4 Principles
4.1 General
4.2 Double-timing method
4.3 Quadruple-timing method
4.4 Phase-locked-loop method
5 Conditions of use
5.1 General
5.2 Double-timing method
5.3 Quadruple-timing method
5.4 Phase-locked-loop method
6 Method requirements
7 Tests for pulse interpolation system
7.1 General
7.2 Test circuit
7.3 Test schedule
7.4 Immunity from electrical noise
8 Test report and markings
Annex A (normative) Measurement techniques for determining
pulse intervals
Annex B (informative) Bibliography
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