Channel flow
Flow rates
Conduits (hydraulic)
Acoustic measurement
Ground water
Hydroacoustics
Velocity measurement
Rivers
Calibration
Flow measurement
Liquid flow
Acoustic waves
Flow
Ultrasonics
Water
Mathematical calculations
Hydrometry
Test equipment
Surface water
Link: BS EN ISO 6416:2017 Hydrometry. Measurement of discharge by the ultrasonic transit time (time of flight) method
Source: BSI Standards
