Transmitters are available with a wide variety of signal outputs. The 4-20mA analogue signal is by far the most commonly used in industrial applications. Contents4-20 mA Transmitter WiringCurrent Source Transmitter, Non-isolated (3 wire)Advantages of 3-wire Current Source TransmitterDisadvantages of 3-wire Current Source TransmitterCurrent Sink Transmitter, Non-isolated (3 wire)Advantages of 3-wire Current Sink TransmitterDisadvantages of 3-wire … Continue reading 4-20 mA Transmitter Wiring Types : 2-Wire, 3-Wire, 4-Wire