BS EN ISO 15212-2:2002:2009 Edition
$142.49
Oscillation-type density meters – Process instruments for homogeneous liquids
| Published By | Publication Date | Number of Pages |
| BSI | 2009 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | TableofContent – Contents Page |
| 6 | Introduction – Introduction |
| 7 | Scope – 1��� Scope NormativeReference – 2��� Normative references |
| 8 | Clause1 – 4��� Principle and functional units Subclause2 – 4.1��� Measuring principle Subclause2 – 4.2��� Functional units |
| 10 | Clause1 – 5��� Density sensor Subclause2 – 5.1��� Sensor material Subclause2 – 5.2��� Sensor design Clause1 – 6��� Requirements and tests Subclause2 – 6.1��� General Subclause2 – 6.2��� Density measuring transducer Subclause3 – 6.2.1��� Drift UntitledSubclause4 – 6.2.1.1��� Within 30�days, the drift of the measured density UntitledSubclause4 – 6.2.1.2��� The test for the drift determination shall be performed as follows: |
| 11 | Subclause3 – 6.2.2��� Effect of liquid properties UntitledSubclause4 – 6.2.2.1��� The density measuring transducer shall be constructed in such a w… UntitledSubclause4 – 6.2.2.2��� For testing, use Newtonian liquids with known densities and sound… Subclause3 – 6.2.3��� Deviation between liquid and sensor temperatures UntitledSubclause4 – 6.2.3.1��� The density measuring transducer shall be designed to minimize th… UntitledSubclause4 – 6.2.3.2��� Testing shall be performed by comparing the densities determined … Subclause3 – 6.2.4��� Effect of instrument parts oscillations UntitledSubclause4 – 6.2.4.1��� Measurement deviations arising from parasitic resonances of instr… UntitledSubclause4 – 6.2.4.2��� For testing, examine the oscillatory characteristics of the built… |
| 12 | Subclause3 – 6.2.5��� Effect of instrument positioning UntitledSubclause4 – 6.2.5.1��� Unless otherwise specified by the manufacturer, the maximum permi… UntitledSubclause4 – 6.2.5.2��� Testing shall be performed in all three positions in accordance with Subclause2 – 6.3��� Liquid temperature measurement Subclause3 – 6.3.1��� Built-in temperature sensor UntitledSubclause4 – 6.3.1.1��� If the process density meter is equipped with a built-in liquid t… UntitledSubclause4 – 6.3.1.2��� Testing shall be performed by comparing the temperature determine… Subclause3 – 6.3.2��� Separate temperature transducer |
| 13 | Subclause2 – 6.4��� Display and output of results Subclause3 – 6.4.1��� Display of results Subclause3 – 6.4.2��� Additional outputs Subclause2 – 6.5��� Auxiliary units and data transfer |
| 14 | Subclause2 – 6.6��� Safety requirements Subclause2 – 6.7��� Electromagnetic compatibility Clause1 – 7��� Preadjustment and adjustment Subclause2 – 7.1��� Preadjustment of process density meters Subclause2 – 7.2��� Preadjustment of density measuring transducers Subclause2 – 7.3��� Adjustment of installed density measuring transducers Subclause2 – 7.4��� Adjustment of processing units |
| 15 | Clause1 – 8��� Calibration Subclause2 – 8.1��� Laboratory calibration Subclause3 – 8.1.1��� Test liquids Subclause3 – 8.1.2��� Calibration apparatus for process density meters Subclause3 – 8.1.3��� Calibration apparatus for density measuring transducers Subclause3 – 8.1.4��� Calibration apparatus for processing units |
| 16 | Subclause3 – 8.1.5��� Laboratory calibration procedure for process density meters |
| 17 | Subclause3 – 8.1.6��� Laboratory calibration procedure for density-measuring transducers Subclause3 – 8.1.7��� Laboratory calibration procedure for processing units Subclause2 – 8.2��� In-situ Subclause3 – 8.2.1��� Liquid Subclause3 – 8.2.2��� Apparatus |
| 18 | Subclause3 – 8.2.3��� In-situ Subclause3 – 8.2.4��� In-situ Subclause3 – 8.2.5��� In-situ |
| 19 | Clause1 – 9��� Process density meter accuracy Subclause2 – 9.1��� Accuracy requirements Subclause2 – 9.2��� Laboratory conformity test Subclause3 – 9.2.1��� Process density meters and density measuring transducers |
| 20 | Subclause3 – 9.2.2��� Processing units Subclause2 – 9.3��� In-situ Subclause2 – 9.4��� Test procedure and conformity assessment Subclause3 – 9.4.1��� Test procedure Subclause3 – 9.4.2��� Conformity assessment |
| 21 | Clause1 – 10��� Installation Clause1 – 11��� Operating manual |
| 22 | Clause1 – 12��� Marking |
