What is the percentage range for a 4 to 20 mA signal?
A. 16.7% to 100%
B. 0% to 100%
C. 20% to 100%
D. 4% to 20%
Answer:B
What is the percentage range for a 4 to 20 mA signal?
A. 16.7% to 100% B. 0% to 100% C. 20% to 100% D. 4% to 20%
Explanation: The 4 to 20 mA signal corresponds to 0 to 100% of the range of the process variable it represents. Here’s how it’s broken down: