4-20mA Flow Meters | Flow Meter Signal Output Guide
4-20mA flow meter refers to a flowmeter with 4-20mA current signal output function. It measures the volume or mass flow of the fluid and converts it into an electrical signal output. It is used for the automation control of the control system. Of course, in addition to 4-20mA, there are also pulses, frequencies, switch signals, … Read more