![Two wire loop](https://www.gemssensors.com/images/default-source/series-images/two-wire-loop.png?sfvrsn=7213bbf9_1)
4-20 mA Two-Wire Current Loop Basics
05.06.21
Many Gems sensor products offer a linear 4-20 milliamp (mA) output signal for transmitting to a receiver (meter/display, PLC, etc.) when measuring level or pressure.