NS EN ISO 15212-2 : 2002 AC 2009

1 Scope
2 Normative references
3 Terms and definitions
4 Principle and functional units
   4.1 Measuring principle
   4.2 Functional units
5 Density sensor
   5.1 Sensor material
   5.2 Sensor design
6 Requirements and tests
   6.1 General
   6.2 Density measuring transducer
   6.3 Liquid temperature measurement
   6.4 Display and output of results
   6.5 Auxiliary units and data transfer
   6.6 Safety requirements
   6.7 Electromagnetic compatibility
7 Preadjustment and adjustment
   7.1 Preadjustment of process density meters
   7.2 Preadjustment of density measuring transducers
   7.3 Adjustment of installed density measuring
        transducers
   7.4 Adjustment of processing units
8 Calibration
   8.1 Laboratory calibration
   8.2 In-situ calibration
9 Process density meter accuracy
   9.1 Accuracy requirements
   9.2 Laboratory conformity test
   9.3 In-situ tests
   9.4 Test procedure and conformity assessment
10 Installation
11 Operating manual
12 Marking

Provides metrological requirements, among others, for oscillation-type density meters as well as for functional units of oscillation-type density meters, which are used in process for all kinds of homogeneous liquids.