NBN EN ISO 15212-1 : 1999 COR 2009
Current
The latest, up-to-date edition.
DICHTHEIDSMETERS VAN HET TRILLENDE TYPE - LABORATORIUMINSTRUMENTEN
12-01-2013
1 Scope
2 Normative references
3 Definitions
4 Principles and functional units
4.1 Measuring principle
4.2 Functional units
5 Density sensor
5.1 Sensor
5.2 Sensor design
6 Requirements and tests
6.1 Oscillation system
6.2 Temperature control and measurement
6.3 Displays
6.4 Auxiliary units and data transfer
6.5 Safety requirements
6.6 Electromagnetic compatibility
7 Adjustment
8 Calibration
8.1 Density reference liquids
8.2 Particular density reference liquids
8.3 Calibration requirements
8.4 Calibration procedure
9 Density meter accuracy
10 Manual
11 Marking
Appendix A (normative) Density and compressibility of pure
water
Annex B (normative) Density of moist air
Annex C (informative) Bibliography
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