Foreword
Cooperating organizations
Method
1 Scope
2 References
3 Definitions
4 Equipment
5 Basic conditions
6 Preparation for sampling
7 Test procedure
8 Influence of certain parameters on the method of
measurement
Appendices
A Symbols used in the calculations
B Methods and rules for determining the position of
sampling points in circular and rectangular ducts
C Accuracy
Tables
1 Determination of sampling points on each radius using
the tangential rule for circular ducts
2 Determination of sampling points for parallel sided
ducts
3 Values of ki in the expression li = kiD for the
tangential rule
Figures
1 Typical arrangement of measuring equipment
2 Section through typical entry nozzle
3 Section of nozzle wall having one inclined face
4 Section of nozzle wall having two inclined faces
5 Isokinetic sampling
6 Sampling positions in circular ducts - tangential
rule
7 Sampling positions in rectangular and square ducts