This document specifies requirements and recommendations for non-intrusive (clamp-on) ultrasonic flowmeters (USMs), which utilize the transit time of ultrasonic signals to measure the flow of predominantly single-phase homogenous fluids (liquids and gases) in closed conduits. This document specifies performance, calibration, and output characteristics, and deals with installation conditions.
ISO/DIS 24062:2023 history
1970ISO/DIS 24062:2023 Measurement of fluid flow in closed conduits - Clamp-on ultrasonic transit-time meters for liquids and gases