What is the percent span for the old and new set points

Join the discussion
Registration is free. Start your own thread to ask a follow-up.
Sign up Log in
1 reply · 2K views
jim1174
Messages
79
Reaction score
0
In order to increase production rate a reactor set point was increased from 160 psig to 190 psig. The reactor pressure transmitter was recalibrated from 0-200psig to 0-300 psig what is the percent span for old and new set points. Can you please explain to me how to find the answer. The book says the answer is 63 percent.
 
Physics news on Phys.org

Discussion

jim1174 said:
In order to increase production rate a reactor set point was increased from 160 psig to 190 psig. The reactor pressure transmitter was recalibrated from 0-200psig to 0-300 psig what is the percent span for old and new set points. Can you please explain to me how to find the answer. The book says the answer is 63 percent.
How does one define the span?

If compares the operational range from 0 to set point, with the calibration range, how does that relate to span?