How Do You Calculate Missing Factors in Process Calibration?

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Discussion Overview

The discussion revolves around the calculation of missing factors in process calibration, specifically focusing on converting process ranges and output signals to determine unknown values based on given readings. The scope includes technical reasoning and practical application in calibration processes.

Discussion Character

  • Technical explanation, Homework-related

Main Points Raised

  • One participant requests clarification on how to calculate missing factors in a calibration context, providing specific examples with process ranges and output signals.
  • Another participant suggests using linear interpolation as a method to find the missing values.
  • A third participant seeks to clarify the original question by asking for an explanation of what the question is asking, indicating a potential misunderstanding or need for further elaboration.

Areas of Agreement / Disagreement

Participants have not reached a consensus, as there are differing levels of understanding regarding the question and the method to be used for calculations.

Contextual Notes

Some assumptions about the linear relationship between process readings and output signals may not be explicitly stated, and the specific mathematical steps required for interpolation are not detailed.

buddylee
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Can some one please explain how to do this. i want to understand how to do this and the book really doesn't explain it.

Convert the following to find the missing factors in the items below.

Process Range-----Output Signal-----Current Process Reading--Current Signal Reading
Example 0-50 PSIG----- 4-20 mA----- 25 PSI ----------------------12 mA
1 200-800 F------ 4-20 mA ------ _____F --------------- -----14 mA
2 0-1000 GPM------ 4-20 mA ------ 250 GPM----------------------__mA
3 100-300 PSI---- 3-15 PSI ------ _____PSI ------------------ 6 PSI
 
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Hint: try linear interpolation.
 
Hi buddylee. http://img96.imageshack.us/img96/5725/red5e5etimes5e5e45e5e25.gif

buddylee said:
Convert the following to find the missing factors in the items below.

Process Range-----Output Signal-----Current Process Reading--Current Signal Reading

200-800 F------ 4-20 mA ------ _____F --------------- -----14 mA

Can you explain what you think the question is asking you to do here?
 
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