National foreword
Committees responsible
Methods
0 Introduction
1 Scope
2 Field of application
3 References
4 Requirements common to all tests
5 Measurement error tests
6 Pressure tests
7 Pressure loss tests
8 Accelerated wear tests
9 Test report
10 Examples of test programmes
Annex
A Summary of regulations and permitted tolerances in
the measurement of physical quantities associated
with water meter test methods and equipment
Figures
1 Layout of the measuring section
2 Example of drilled hole type of pressure tapping
with ring chamber, suitable for small/medium
diameter test sections
3 Example of slit type of pressure tapping with ring
chamber, suitable for small/medium diameter test
sections
4 Example of drilled hole type of pressure tapping
with loop mean static pressure interconnections,
suitable for medium/large test sections
5 Pressure loss measurement test procedure