A proportional controller is being used to control the water level in a tank.
When the tank water level matches the controller setpoint of 20 feet, the controller output is 50 percent.
Tank water level is currently stable at 25 feet with the controller output at 75 percent.
What is the tank water level proportional band for this controller?
A. 10 to 30 feet
B. 10 to 40 feet
C. 20 to 30 feet
D. 20 to 40 feet
Show Answer
Answer: A
Share your understanding of this question with the correct explanation.