A recent Design Idea (DI), “Silly simple precision 0/20mA to 4/20mA converter,” by prolific DI contributor Stephen Woodward uses the venerable LM337 regulator in a creative configuration along with a ...
The ProSense LPM1 series of loop panel meters offers a simple, low cost digital display of an analog 4-20mA signal. Models are available for mounting in a standard 1/8 DIN size panel cut-out with ...
Current sources are widely used in industrial control systems to transport analog process signals over long distances, but they are less widely used than voltage sources. This post loosely reviews the ...