Instrumentation quick question - nonlinearity error

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Homework Statement


A non-linear oressure sensor has an input range of 0 to 10 bar and an output range of 0 to 5V. The output voltage at 4 bar is 2.2V. The nonlinearity as a percentage of psan is?

Homework Equations


none


The Attempt at a Solution



Drew a straight line using the data given with equation y=1/2x. (0-10 on x-axis;0-5v on y-axis). Therefore at x=4, y=2. 2.2-2=0.2?
 

Answers and Replies

  • #2
berkeman
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Homework Statement


A non-linear oressure sensor has an input range of 0 to 10 bar and an output range of 0 to 5V. The output voltage at 4 bar is 2.2V. The nonlinearity as a percentage of psan is?

Homework Equations


none


The Attempt at a Solution



Drew a straight line using the data given with equation y=1/2x. (0-10 on x-axis;0-5v on y-axis). Therefore at x=4, y=2. 2.2-2=0.2?
Looks good so far. So what is that as a percentage of full scale?
 

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