4 to 20 mA

4-20mA Current Loop Components

Why Use a Current Loop?

A Little Bit of History Before the advent of electronic circuitry, process control was a wholly mechanical endeavor. Facilities used

4 TO 20 MA ANALOG CURRENT SIGNALS

Basics of 4 to 20 mA analog Signals

The  most  popular  form of signal transmission  used in modern  industrial  instrumentation  systems is the 4 to 20 milliamp DC