This method is suitable for the calibration of newly established, in use and modified weighing standard nozzle type dynamic flow and flow rate standard devices. The dynamic flow and flow rate standard device described in this method refers to the equipment specifically used for calibration of flow and flow rate measuring instruments in model tests of water conservancy, river engineering and port engineering.
SL/T 232-1999 history
1999SL/T 232-1999 Verification method of dynamic liquid discharge and flow velocity facilities