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