The English name of flowmeter is flowmeter, which is defined by the national science and technology terminology Approval Committee as an instrument indicating the measured flow and / or the total amount of fluid within the selected time interval.

The flowmeter is a two-way measurement system with three integrators installed inside: forward total amount, reverse total amount and difference total amount; It can display positive and negative flow, and has a variety of outputs: current, pulse, digital communication, Hart; The converter adopts surface mount technology (SMT), with self inspection and self diagnosis functions