Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles of measurement
5 Performance requirements
6 Uncertainty in measurement
7 Installation
8 Test and calibration
9 Performance testing
10 Meter characteristics
11 Operational practice
Annex A (normative) - Temperature and pressure correction
Annex B (informative) - Effect of a change of roughness
Annex C (informative) - Example of uncertainty calculations
Annex D (informative) - Documents
Bibliography

Abstract

Describes requirements and recommendations for ultrasonic liquid flowmeters, which utilize the transit time of ultrasonic signals to measure the flow of single-phase homogenous liquids in closed conduits.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 30
Supersedes	ISO/DIS 12242 : 60.00 (2012)