Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Quantities to be me
5 General conditions and procedures concerning in
situ tests
6 Instrumentation
7 Determination of fan pressure
8 Determination of flow rate
9 Determination of powe
10 Uncertainty associated with the determination of
fan performance
Annex A (normative) - Position of exploration lines for
a marginal wall profile compatible with
a general ower law
Annex B (normative) - Determination of the position
of the marginal exploration lines in cases not
covered by annex A
Annex C (normative) - Minimum straight lengths required
upstream and downstream of the differential
pressure devices (DP device) used for flow measurement
Annex D (normative) - Loss allowance for straight,
smooth ducts and standardized airways
Annex E (normative) - Rotating vane anemometer calibration
Bibliography