4-20ma barrier

History of 3-15 psi, 10-50 mA, and 4-20 mA signals
  • Instrumentation Design

History of 3-15 psi, 10-50 mA, and 4-20 mA signals

Study about the history of 4-20 mA signals used in the industrial instrumentation. Other signals are 3-15 psi, and 10-50…

4 years ago
  • Instrumentation Design

Why 4-20 mA Standard is so popular ?

4-20 mA Standard 4-20mA has an inherent ‘live zero’. Zero engineering units is 4.0mA, not 0.0mA. 0.0mA indicates an open…

5 years ago