NBN EN 20140-2 : 1995

Cooperating organizations
National foreword
Foreword
Method
1. Scope
2. Normative references
3. Definitions
4. Determination of the repeatability value r and the
     reproducibility value R by inter-laboratory tests
5. Verification procedure
6. Application of repeatability values r and
     reproducibility values R
Annexes
A. (normative) Precision of sound insulation in
     building elements
B. (informative) Repeatability values r and
     reproducibility values R for results expressed
     in single-number quantities
C. (informative) Bibliography
Tables
1. Factor m
A.1 Repeatability values for laboratory tests
A.2 Reproducibility values for laboratory tests
A.3 Reproducibility values for field tests
National annexes
NA (informative) Committees responsible
NB (informative) Cross-reference

Specifies procedures for assessing the uncertainty in acoustic measurements. Gives guidelines for: application of repeatability values r and reproducibility values R in practice; determination of the repeatability value r and the reproducibility values R; verification of repeatability values r and reproducibility value R for different measurement arrangements in one laboratory and for comparisons between different laboratories. Also includes detailed annexes and tables. ALSO NUMBERED BS 2750: PART 2: 1993