What is the formula for calculating the percentage of a process variable (%PV) in a system with a 4-20 mA current loop?
A. %PV = (I/Ispan)4%
B. %PV = (I/Ispan)20%
C. %PV = (I/Ispan)5%
D. %PV = (I/Ispan)100%
Answer:D
What is the formula for calculating the percentage of a process variable (%PV) in a system with a 4-20 mA current loop?
A. %PV = (I/Ispan)4% B. %PV = (I/Ispan)20% C. %PV = (I/Ispan)5% D. %PV = (I/Ispan)100%
Explanation: The percentage of a process variable (%PV) in a system with a 4-20 mA current loop can be calculated using the formula %PV = (I/Ispan)*100%